Jawabanmu

2014-05-31T21:52:16+07:00
Anggap:
p = 16 - x²
dp = -2x dx
x dx = -dp/2
\int\limitsb x√(16 - x²) dx
= \int\limitsb √p -dp/2
= -1/2 . 2/3 p√p + c
= -1/3 (16 - x²)√(16 - x²) + c