Answers created by trosk

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• How do you differentiate #y=sec^-1(4x)#?
  
• How do you integrate #int e^(sec2x)sec2xtan2xdx# from #[pi/3,pi/2]#?
  
• Question #67981
  
• What is #f(x) = int 1/sqrt(x^2+1) dx# if #f(2) = 3 #?
  
• How do you integrate #int 1/sqrt(-e^(2x)-20e^x-64)dx# using trigonometric substitution?
  
• How do you integrate #int e^(2x)/sqrt(e^(2x) -36)dx# using trigonometric substitution?
  
• How do you integrate #int 1/sqrt(x^2-4x+13)dx# using trigonometric substitution?
  
• How do you integrate #int 1/sqrt(9x^2-18x+8) # using trigonometric substitution?
  
• How do you integrate #int (4x)/sqrt(x^2-14x+65)dx# using trigonometric substitution?
  
• How do you evaluate #log_3(27)#?
  
• How do you find the derivative of #ln sqrt (x^2-4)#?
  
• How do you find the definite integral of #int x^3-xdx# from #[0,2]#?
  
• What is the radius of convergence of #sum_1^oo ((2x)^n ) / 8^(2n)#?