Questions asked by crayon

• Back to user's profile
• How to find real part of complex number of complex number α ?
  
• What is the the value of #sqrt(6+sqrt(20))#?
  
• What is the maximum value of #|z|# when #z# satisfies the condition #|z+(2/z)|=2# ?
  
• Is #BaCO_3# thermally stable? Why or why not?
  
• Which has a higher #pH# value : #0.01 M# #NaOH# or #0.1 M# #NaHCO_3#?
  
• What is the common tangent to the parabolas #y^2=4ax# and #x^2=4by# ?
  
• How do I prove that the motion represented by #y= asin2\omegat + bcos^2\omegat# is a simple harmonic motion ?
  
• What will be the major product obtained on dehydration of propan-1,2-diol ?
  
• What is the largest value of #a# for which the circle #x^2+y^2=a^2# lies completely inside the parabola #y^2=4(x+4)# ?
  
• What is the limit of #((1-x)/(1+x))^(1/x)# as #x# approaches #0#?
  
• How to solve this limit #\lim_{x\to pi/4} (sin2x)^(tan^2(2x)) # ?
  
• How to solve #lim_(xto0)(ln cotx)^tanx#?
  
• How many isomers (including stereoisomers) can be obtained by free radical chlorination of 2,2,4-trimethylpentane?
  
• How do I know if a discontinuity in a function is removable or not?
  
• Solve for #x#: #2tan^-1(cosx)=tan^-1(2cscx)#?
  
• What is the approximate value of #f(x)=((2-x)/(2+x))^(1/5)# at #x=0.15#?
  
• If #f(9)=9# and #f^'(9)=4#, then what is the value of #lim_(x to9)(sqrt(f(x))-3)/(sqrtx -3)?#
  
• #f(x-y)=f(x)/f(y)# and #f^'(0)=p,f^'(a)=q# then what is #f^'(-a)?#