Question

Limit mendekati 0 (1- (√ cos x)) dibagi x²

Answer 1

Lim (1 - √cos x)/x²
x->0
turunkan:
= lim (1/2 (sin x)^-1/2)/2x
x->0
turunkan lagi sekali
= lim (1/2 (cos x)^-3/2)/2
x->0
= 1/4