Question

Derivative of the function f (x)=(x-1) (x– 2) is​

Answer 1

Answer:

f'(x)=

$( x - 1) \frac{dy}{dx} (x - 2) + (x - 2)\frac{dy}{dx}(x - 1) \\ = (x - 1) \times 1 + (x - 2) \times 1 \\ = x - 1 + x - 2 \\ = 2x - 3$