How can i solve this for simple way. i think a solution for a longtime but i cannot get anything.please give me solution?????
No, you won't be "given a solution", but you can be given some hints. First of all, having "x + 1" in both the numerator and denominator makes things look convoluted. So a substitution would clean things up a bit, giving
Now notice that is the derivative of , so a substitution of the form is appropriate, giving