What is the derivative of f(x) = -x^2 + 4x - 10 / (x^2 - 3x - 4)^2
I calculated it to be f'(x) = (-2x + 4)(x^2 - 3x - 4)^2 - (-x^2 + 4x - 10)(2)(x^2 - 3x - 4)(2x-3) / (x^2 - 3x - 4)^4
apparently this is wrong according to graphing technology.
What is the derivative of f(x) = -x^2 + 4x - 10 / (x^2 - 3x - 4)^2
I calculated it to be f'(x) = (-2x + 4)(x^2 - 3x - 4)^2 - (-x^2 + 4x - 10)(2)(x^2 - 3x - 4)(2x-3) / (x^2 - 3x - 4)^4
apparently this is wrong according to graphing technology.