NCERT Exercise 7.7 Q10 - Integrals
Question: int sqrt(1 + x^2) dx equals (A) (x/2)sqrt(1+x^2)+(1/2)log|x+sqrt(1+x^2)|+C (B) (2/3)(1+x^2)^{3/2}+C (C) (x/3)(1+x^2)^{3/2}+C (D) (x^2/2)sqrt(1+x^2)+(1/2)x log|x+sqrt(1+x^2)|+C.
Answer: (A)
Full step-by-step NCERT solution with diagrams on Something by Zero.