Pembahasan:
y = x² dan y = x + 2
⬇️
x² = x + 2
x² – x – 2 = 0
(x – 2)(x + 1) = 0
x = 2 , x = -1
V = ₋₁ഽ² [(x + 20² – (x²)]π dx
= ₋₁ഽ² [(x² + 4x + 4 – x⁴]π dx
= ₋₁ഽ² [-x² + x² + 4x + 4]π dx
= – 1 x⁵ + 1 x³ + 2x² + 4
Kabar Masyarakat, Gaya Santai
Pembahasan: