Question

Integral dari sin akar x / akar x

Answer 1

Integral by u-subs

misal : u = √x = x^(1/2)
du = 1/2  x^(-1/2)  dx = dx/2x^1/2 = dx/(2√x)
2 du = dx/√x
so,
= 2 int sin(u) du
= -2 cos(u) + C
= -2 cos(√x) + C