Question

Harap dibantu ya teman teman..

Answer 1

20)
f(x) = (1 +4x²)(2-x)
f(x) = -4x³ +8x² - x + 2
f'(x) = -12x² +16 x - 1
f ' (-1) = -12 - 16 - 1= - 29
2. f'(-1) = 2(-29) = - 58

2)
n = 10 C5 = 252

n/36  C3 =  7 C3 = 35