AP EAMCET2005MathematicsDefinite Integration
₀^ 1+ ^2 d is equal to
Options
- A^2 2
- B^2 3
- C^2
- D^2 4
Correct answer
D. ^2 4
Step-by-step solution
= ₀^ ( - ) ( - ) 1+ ^2( - ) d On adding Eqs. (i) and (ii), we get 2 I= ₀^ 1+ ^2 d Let =t - d =d t aligned 2 I & =- ₁⁻¹ 1 1+t^2 d t & =2 ₀^1 1 1+t^2 d t & =2 [ ⁻¹ t ]₀^1=2 4 aligned I= ^2 4