Question

How do you do this question?

Answer 1

A) 0

Explanation:

Use second fundamental theorem of calculus.

f(x) = ∫₄²ˣ √(x² − t) dt

f'(x) = √(x² − 2x) (2)

f'(x) = 2√(x² − 2x)

f'(2) = 2√((2)² − 2(2))

f'(2) = 0