{1+x²dx is equal to - NCERT Class XII Mathematics Chapter -

NCERT Class XII Mathematics Chapter - - Solutions

Choose the correct answer in Exercises 167 to 168.

Question : 168 of 271

Marks: +1, -0

\int\sqrt{1+x^2}dx

is equal to

Solution:

Let

I=\int\sqrt{1+x^2}dx

=\frac{x}{2}\sqrt{1+x^2}+\frac{1}{2}\log\left|x+\sqrt{1+x^2}\right|+C

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