First Principles Example 3: square root of x - Page 14

Questions
  • What is #int_(1)^(4) x^4-x^3+sqrt(x-1)/x^2 dx #?
  • What is #lim x-> 1# of #(x^2+3x-4)/(x-1)#?
  • What is #lim x-> -2# of #(2x)/(x+1)#?
  • How proof this answer is right ? ∫ ((1)/((x^2)(sqrt(1+x^2))dx =
  • How do I find derivatives of radicals like #sqrt(x)#?