Answers created by Abhishek Malviya

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• What is the integration of #int((x(tanx)^-1)dx)/(1+x^2)^(3/2)# ?
  
• How do you solve for x in # 7/(x-2) + 3/(x+2) = -x/(x^2-4 )#?
  
• How do solve the following linear system?: #3s + 4 = -4t, 7s + 6t + 11 = 0 #?
  
• What is the lowest common multiple of 3 and 21?
  
• How do you solve #8x-(3x + 2) = 3x-10#?
  
• How can I differentiate xsin4x ?
  
• How do you solve #236=8(-4+7x)-12#?
  
• If, y = (√x)+(1/√x) so prove that ? 2x(dy/dx)+y = 2√x
  
• What is #cottheta-sectheta+costheta# in terms of #sintheta#?
  
• What is #cot^2theta-sectheta # in terms of #sintheta#?
  
• What is the equation of a circle with center (6, –4) and radius 6?