Question

integrate (4x + 1)^2 dx​

Answer 1

Answer: x + 4 x^2 + (16 x^3)/3

Step-by-step explanation: See attached document

Answer 2

Step-by-step explanation:

By using:-

{ (a)^n = (a)^n+1/ n+1 }

so:-

1/4 {(4x+1)^2+1/ 2+1 }

1/4 {(4x+1)³/3}

1/4x3 {(4x+1)³}

1/12 {(4x+1)³} +c