Finding a Limit Using L'Hopital's Rule sin(pix)/(x^2 - 1) as x approaches 1

Finding a Limit Using L'Hopital's Rule (e^(x) - e^(-x))/x as x approache...

Finding the Limit Using L'Hopital's Rule tan(3x)/ln(1 + x) as x approach...

Finding a Limit Using L'Hopital's Rule (x - 8)/(x^(1/3) - 2) as x approa...

Solving the Logarithm Equation log(A) = log(B) - C*log(x) for A

Implicit Differentiation How to Find dy/dx: 1/x + 1/y = 3

Proof that Z x Z is not a cyclic group