Nilai dari 2 intergal 1 (-x²+2x+2)dx

Integral

₁²∫ (-x² + 2x + 2) dx =
= [ – 1/3 x³ + x² + 2x ]²₁
= – 1/3(8 -1) + (4 -1) + 2(2-1)
= -7/3 + 3 + 2
= 2 ²/₃