Question

Evaluate integration x÷ 1+x^2 ×dx​

Answer 1

£x/(1+x²) .dx

let 1+x²=t

2xdx=dt

xDX=dt /2

1/2£1/t DT

(1/2).logt +c

(1/2).log(1+x²)+c

Answer 2

Answer:

Step-by-step explanation:

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