Integral batas atas 4 batas bawah 2 2Xpangkat 3 dx

Integral

[tex] \int ^4 _2 2x^3 ~ dx [/tex]

Pertama integralkan dlu..

int 2x³ dx
= 2/(3+1) . x^(3+1)
[tex] = \left ( \dfrac{1}{2} \right ) x + C ~~ \left | ^4 _2 [/tex]
= ( (1/2) 4⁴ + C) - ( (1/2) 2⁴ + C)
= ( (1/2)256 + C) -( (1/2)16 + C)
= 128 + C - 8 - C
= 120