{ {x}}{{x}} - NCERT Class XII Mathematics Chapter -

NCERT Class XII Mathematics Chapter - - Solutions

Exercise - 7.2
Integrate the functions in Exercises 23 to 59.

Question : 48 of 271

Marks: +1, -0

\frac{\cos \sqrt{x}}{\sqrt{x}}

Solution:

Let

I=\int \frac{\cos \sqrt{x}}{\sqrt{x}} \, dx

Put

\sqrt{x}=t

\Rightarrow \frac{1}{2\sqrt{x}} \, dx = dt

\therefore I=2\int \cos t \, dt

=2\sin t + C

=2\sin \sqrt{x} + C

Go to Question: