Answers created by Max G.

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• There are (n+1) white and (n+1) black balls each set numbered 1 to (n+1). The number of ways in which the balls can be arranged in a row so they the adjacent balls are of different colours is ?
  
• The first four terms of an arithmetic sequence are 21 17 13 9 Find in terms of n, an expression for the nth term of this sequence?
  
• How do you simplify #x^6 / x^(2/3)#?
  
• Two opposite sides of a parallelogram have lengths of #3 #. If one corner of the parallelogram has an angle of #pi/12 # and the parallelogram's area is #14 #, how long are the other two sides?
  
• (log₃13) (log₁₃x) (logₓy) = 2 Solve for y. ?
  
• How do you solve the polynomial inequality and state the answer in interval notation given #x^6+x^3>=6#?
  
• why is the expression x1/2 is undefined when x is less than 0?
  
• Let x be a binomial random variable with n=10 and p=0.2 In how many possible outcomes are there exactly 8 successes?
  
• Differentiate the function. Y= √x(x-4) ?
  
• How do you implicitly differentiate #9=e^(y^2-y)/e^x+y-xy#?
  
• How do I solve secx - 2tanx = 0 over the interval (0,2pi]?
  
• If #3x^2-4x+1# has zeros #alpha# and #beta#, then what quadratic has zeros #alpha^2/beta# and #beta^2/alpha# ?
  
• Examine whether lim_"x→0"e^(1/x)/e^(1/x)+1 exits or not?
  
• Use the given graph of f to find a number delta...?
  
• How do you find the value of #cot 240# using the double angle or half angle identity?
  
• I know that it will be of the form #2C(x)=C(x/2)#, but I am still stuck to write the transformed function. Can anybody help?
  
• How do you find the equation of a regression line with a TI-83?
  
• Show that any linear function #f(x) = ax + b# is a continuous function in any #x_o in ℝ# ?
  
• Question #51024
  
• Calculate #sum_(n=0)^oo sqrt(n+3)+sqrtn-2sqrt(n+2)# ?
  
• (1-(1/(2x+3)))>((x+1)/(x-1)) ?
  
• How do you write #(4sqrt(3)-4i)^22# in the form of a+bi?
  
• Question #b37dd
  
• Let # f(x) = |x-1|. # 1) Verify that # f(x) # is neither even nor odd. 2) Can # f(x) # be written as the sum of an even function and an odd function ? a) If so, exhibit a solution. Are there more solutions ? b) If not, prove that it is impossible.
  
• A boat is sailing due east parallel to the shoreline at speed of 10 miles per hour. At a given time, the bearing to a lighthouse is S 72° E, and 15 minutes later the bearing is S 66°. How do you find the distance from the boat to the lighthouse?
  
• If sin x = -12/13 and tan x is positive, find the values of cos x and tan x ?
  
• Question #8e421
  
• Is #f(x)=1-x-e^(-3x)/x# concave or convex at #x=4#?
  
• Question #10dc7
  
• How do you integrate #int (1-2x^2)/((x+9)(x+7)(x+1)) # using partial fractions?
  
• Are there solutions to the system of inequalities described by #y<3x+5, y>=x+4#?
  
• The remainder when x^(2011) is divided by x^2 -3x+2 is ?
  
• If the sum of the coefficient of 1st ,2nd,3rd term of the expansion of (x2+1/x) raised to the power m is 46 then find the coefficient of the terms that does not contain x?
  
• How do use the discriminant test to determine whether the graph #9x^2+6xy+y^2+6x-22=0# whether the graph is parabola, ellipse, or hyperbola?
  
• Question #d3878
  
• Question #753ef
  
• What is the derivative of cos^4(x) + cos (x^4)?
  
• Question #bc494
  
• Question #55510
  
• Question #3d707
  
• How do you find intercepts, extrema, points of inflections, asymptotes and graph #y=x^5-5x#?
  
• Question #47488
  
• Between two positive real nos. a and b there are 2 G.M's G_1 and G_2 and a single A.M A.The G.M between G_1 and G_2 is M.Can you prove that M^3=ab(A^3)?
  
• Question #acc14
  
• Question #137b9
  
• Question #ae174
  
• What is the limit as x approaches infinity of #ln(x)#?
  
• Question #b6ffe
  
• Question #91d56
  
• How do you solve #abs(6b-2)+10=44#?
  
• Question #6f857
  
• Why is #r=3cos2theta# not symmetric over #theta=pi/2#?
  
• Question #771c5
  
• How do you find the average rate of change of y with respect to x over the interval [1, 3] given #y=3x^4#?
  
• A parallelogram is determined by the vectors a = (-2,5) and b = (3,2). Determined the angles between the diagonals of the parallelogram?
  
• Question #aa041
  
• How can I tell if my data is normally distributed? Do the mean, median and mode have to be identical for it to be a normal distribution?
  
• Question #3052f
  
• How do you find the domain and range of #M(x)= -2/14x^2-11x-15#?
  
• How do I find the anti-derivative of #x^3sec^2(x) + 3x^2tan(x)#?
  
• Question #40999
  
• Kindly solve this question based on Functions ?
  
• Two opposite sides of a parallelogram have lengths of #8 #. If one corner of the parallelogram has an angle of #pi/8 # and the parallelogram's area is #12 #, how long are the other two sides?
  
• Two opposite sides of a parallelogram have lengths of #8 #. If one corner of the parallelogram has an angle of #pi/8 # and the parallelogram's area is #12 #, how long are the other two sides?
  
• Question #a6c71
  
• How do you find the sum of #Sigma(-2/7)^n# from n #[0,oo)#?
  
• Question #987b8
  
• What is the period of #f(t) = 3(sin(t-pi/4)-4)#?
  
• How do you simplify #(4/5)/(6 2/3)#?
  
• Question #61f5a
  
• What is the square root of #48569834# ?
  
• Given #cosbeta=5#, how do you find #cosbeta#?
  
• What is the range of the function #x^2+y^2=36#?
  
• How do you factor #a^4+2a^2b^2+b^8#?
  
• Question #3100a
  
• How do you solve and graph #abs(2x+3)<=11#?
  
• How do you rationalize the denominator of #1/(sqrt(2)+sqrt(3)+sqrt(5))#?