x ( x + x) dx - NCERT Class XII Mathematics Chapter -

NCERT Class XII Mathematics Chapter - - Solutions

Find the following integrals in Exercises 6 to 20.

Question : 18 of 271

Marks: +1, -0

\int \sec x (\sec x + \tan x) dx

Solution:

Let

I = \int \sec x (\sec x + \tan x) dx

= \int (\sec^2 x + \sec x \tan x) dx

= \tan x + \sec x + C

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