`int sqrt(1+x^(2))dx` बराबर है

Options

A. `x/2 sqrt(1+x^(2))+1/2log |(x+sqrt(1+x^(2)))|+C`
B. `2/3(1+x^(2))^(3//2)+C`
C. `2/3x(1+x^(2))^(3//2)+C`
D. `(x^(2))/(2)sqrt(1+x^(2))+1/2x^(2)log|x+sqrt(1+x^(2))|+C`

Answer

A