integral x akar 2x kuadrat + 1 dx

= Int (x√(2x²) + 1) dx
= Int (x.2x + 1) dx
= Int (2x² + 1) dx
= 2 int x² dx + 1 int dx
= 2/(2+1) x^(2+1) + 1/(0+1) x^(0+1) + c
= ⅔ x³ + x + c

Semoga berguna +_+