hasil integral atas 2 bawah 1(4x(3-xkuadrat 2))dx

InTegraL

∫4x(3 - x²) dx [2 1]
= ∫(12x - 4x³) dx
= 12x²/2 - 4x⁴/4
= 6x² - x⁴
= (6.2² - 2⁴) - (6.1² - 1²)
= (24 - 16) - (6 - 1)
= 8 - 5
= 3