integral batas 1 dan 4. 1 per x pangkat 3 dx

1/x³ dx
= x^-3 dx
= (1 / -3+1)x^-2
= (1/2)x^-2
= 1 / 2x^2
= 1 / 2(1)² - (1 / 2(4)²)
= 1/2 - (1/32)
= 16/32 - 1/32
= 15/32