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#2f((x-2)/(x+1))+f((x+1)/(x-2))=x# Find #f(x)#?
Find general term of this sequence ? 1,2,2,4,4,4,4,8,8,8,8,8,8,8,8,......
A wave source of frequency 1000Hz radiate wave of wavelength 0.10m.the time taken to travel 2500m is?
How to solve this question based on Vectors ?
What is the difference between pure salt NaCl and inpure NaCl?
When granules NaOH are left in wet atmosphere, they first fade and then form a hard shell.?
If #f(x) =x^(-1/3)#, what is the derivative of the inverse of f(x)?
Can somebody explain me what are the vacant 3d orbitals of silicon? Silicon configuration is 1s2 2s2 2p6 3s2 3p2 Where are the d orbitals?
How do you solve this difficult algebra problem?
Never mind (I have to end this with a question mark to edit?)
How do yo solve this difficult problem of Equations?
30/30/40??
#forall u, v#, #((2,3,5,7), (13,17,19,23)) * ((64,28,-18), (-64,-27,18), (15,5,-5), (0,0,1)) * ((1), (u), (v)) = ((11), (29))# ?
Resolve #1/(x^3+1)# into partial fractions?
If #alpha=(1/2)(-1+sqrt(-3)) and beta=(1/2)(-1-sqrt(-3))# then prove #alpha^4+(alphabeta)^2+beta^4=0#?
If #x=a+b,y=aw+bw^2,z=aw^2+bw# then find #x^2+y^2+z^2 and xyz#?
What is an equation in slope-intercept form for the line through point P(-5,2) and perpendicular to the line containing the two points (2,3) and (1,-2)?
Find this 60/30/40??
Prove that the diagonals of a rhombus are at right angles when O is origin c ( α ,β) B ( α + h ,β) A (h, 0)?
Why is m-cresol soluble in Bicarbonate Solution?
How to express 1/(1+zcos(x)) in the form of a+bi? Where z= cos(x) +i sin(x).
Two strings stretched by 5 cm and 10 cm respectively Ven masses 0.5 kg and 1kg are suspended at the lower abs when display slightly from the mean position and least they will oscillate with time period in the ratio?
A square garden has fourteen posts along each side at equal interval. Find how many posts are there in all four sides? Please explain in detail.
Show It With Explanation ?
Answer It With explanation ?
Why is it possible to detect potassium in the lower oxidizing zone and calcium, strontium and barium in the fusion zone?
How do you prove that the no-r polar equation #a cot theta + b tan theta = c# represents a pair of straight lines?
How do you solve this Determinant?
Could someone explain to me how to identify the atom oxidized and the atom reduce for this equation?
At least how many terms in the GP 20+28+36+.... is greater than 1000 ?
If #(9^(x-2) * 3^(2x-2))/(27^(x+3)) =81, x=?#
Solve dy/dx=x+2y-3/2x+y-3?
Verify whether y^2 is an IF of dx/y+2x/y^2.dy=0?
If a,b,c are in A.P then find a^2(b+c) , b^2(c+a) , c^2(a+b) are in A.P ?
15 students in a school are distributed evenly among 3 classes. Given there are 3 students with red hair in the 15 and distribution is random, how many number of ways that all the students with red hair end up in the same class?
What will be the anser?
Can someone solve these questions?( Melting and boiling chapter)
How do you graph #r = theta, theta in [ 0, 2pi ]#, using its Cartesian equivalent?
Can someone solve question iv? (its the top one)
Find the value of c and state the amplitude and period of f (?)
What is the resonance structure for benzyl alcohol (C6H5CH2OH) ?
Two teams, say the Celtics and the Cavs, are playing a seven game series. The Cavs are a better team and have a 60% chance of winning each game. What is the probability that the Celtics win at least one game? Remember that the Celtics must win one of the
The value of #sin20.sin40.sin60.sin80# is?
IN any triangle ABC,#sinA-cosB=cosC# then angle B is?
#sin^2A+sin^2(A-B)+2sinAcosBsin(B-A)=# ?
Why do the metal fins in the refrigerator get warm? what is the source of this heat?
What is the IUPAC name of the following compound?
What is the order from lowest to highest priority of -F, -CH3, -COOH, -CH2F according to the IUPAC approved sequence rules?
I don't know how to approach this question? I need help
How do you multiply (x-1)(x+1)(x+2)?
Two Train speeds?
What is the name of the laboratory instrument for measuring the wave length of some radiation ?
If #z+1/z=1#, find #z^3#, and then #z^1000+1/z^1000#?
Find all solutions if 0° ≤ θ < 360°. Verify your answer graphically. (Enter your answers as a comma-separated list.)? #cos 3θ = 1#
Find all solutions if 0° ≤ θ < 360°. Verify your answer graphically. (Enter your answers as a comma-separated list.)? #sin 2θ = −1/2#
Help on rational problems?
Rational equation help?
Help me solve this rational problem?
An oxygen tank kept at 20oC contains 28.0 moles of oxygen and the gauge reads 31.0 atm. After two weeks, the gauge reads 10.5 atm. How many moles of oxygen were used during the two-week period?
Damping is a phenomenon of free oscillation or also of forced oscillation?
Calculate the molar solubility of #\sf{AgI}# in a 3.0 M #\sf{NH_3}# solution, if the #\tt{K_(sp)}# is #\tt{1.5xx10^-16}# and the #\tt{K_f}# for #\tt{[Ag(NH_3)_2]^(+)}# is #\tt{1.5xx10^7}#?
Electron,proton, neutron and alpha particle have same momentum which particle has more kinetic energy?
A bullet hits a solid target lying on a frictionless surface and gets embeded in it.what is conserved(kinetic energy, momentum,both or none)?
Find the area of a circle with a radius of 14cm?
A force 6i+3j+k displaces an object from A(0,3,2) to B(5,1,6) what is the work done?
#a# i s The arithmetic mean of two positive numbers #b and c# . #G_1# and #G_2# are the geometric mean between the same positive numbers #b and c# so prove that #G_1^3+G_2^3#=#2abc# ?
The Arithmetic Mean (AM) of #m , n# and The Geometric Mean (GM) of # a , b# are equals to #(ma+nb )/ (m+n)# Then Answer the value of #m and n# by using #a and b # ?
The sum of two vector A and B is 5i+j and their difference is 3i-2j the vector then is?
The angle made by resultant vector R=2underroot3i-2j with x axis is?
When a vector is multiplied by number less then -1 then its magnitude and direction to original vector respectively are?
An object weighing 80N on surface of earth will weigh 20N at how much distance from the center of earth?
Balance the following redox reaction in acidic solution?
The sum of two positive integers 'a' and 'b' is 528 and their HCF is 33. Which of the following cannot be the value of (a - b)? (A) 396 (B) 264 (C) 6 (D) 33
Find all degree solutions in the interval 0° ≤ θ < 360°. If rounding is necessary, round to the nearest tenth of a degree. (Enter your answers as a comma-separated list.)? #3 sin^2 θ − 10 cos 2theta = 0#
Show all the steps to how 3-chloroaniline can synthesis from benzene ?
How many trains do not stop at either of these stations on that day?
Object displays from 5 metre height reaches at a ground distance of 10 metre what is the final velocity?
Seven numbers, each 1 or -1, are listed in a row in such a way that adding the numbers successively from left to right never gives a negative answer. How many valid lists are there?
Work done is zero if an object moves with constant velocity? right?
Prove that #((1/2)!)=sqrt(pi)/2#?
Dimensional analysis doubt!!!??
Prove that the straight lines joining the origin to the point of intersection of #kx+hy=2hk# and the curve #(x-h)^2+(y-k)^2=a^2# are perpendicular if #h^2+k^2=a^2# ?
For what value of k will the equation #12x^2-10xy+2y^2+11x-5y+k=0# represent a pair of lines?
Prove that the straight lines #ax^2+2hxy+by^2+lambda(x^2+y^2)=0# have the same pair of bisectors for every value of #lambda#?
1/root^3x + 1/rootx =1 x=?
Evaluate the following expression for sine value?
When 0.5 kg of aluminum is heated using a 1.5kw heater, the mass of aluminum changes completely into a liquid in 2.1 minutes. During this time its temperature remains constant at 660 Celsius. What is the specific latent heat of fusion of aluminum?
Which of these compounds are soluble in water (or react with it)?
1) what proportion of boys and girls should be selected? 2) How many boys and girls should be selected for a stratified random sample of 30 students? Explain how to obtain this sample question.
Please help with the image below.(?)
The molar specific heat capacity of chromium at room temperature is 24 j/k mol and its atomic mass is 52g what is specific heat capacity of chromium?
How do you simplify #sec(tan^(-1)(x))# ?
Can someone solve this? IGCSE MATH, SEQUENCES QUESTION Book answer= (n-8)
Light and heavy objects have equal kinetic energy.which one has greater momentum?
Show that The following series is in GP ( Geometric Progression ) ?
Eight increase by the product of a number and 6 is at least 18? Use the variable b for the unknown number.
A particle moves in a circle of radius 25cm covering 2 revolutions per second what will be the radial acceleration of that particle?
Calculate #\sf{E_"cell"}# after the cell operates at a temperature of 298 K for 75 minutes at a current of 3.0 A?
In an electrolytic cell, calculate the concentration of #\sf{Cu^(2+)}# remaining in 425 mL of solution that was originally 0.366 M #\sf{CuSO_4}#, after the passage of 2.68 A for 262 seconds?
A boat pushes off from a pontoon and travels 5m/s East while the pontoon floats away at 2m/s south. Calculate the velocity of the boat relative to the pontoon????? .
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