JEE MATHEMATICS MCQ: DEFINITE INTEGRATION

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Application +4 | -1

The value of the definite integral

\int\limits_{3}^7 \frac{\cos x^2}{\cos x^2+\cos (10-x)^2} d x

is:

View answer and explanation

Correct option: A

Option A (2) is correct because the integral can be simplified using the property

\int_a^b f(x) dx = \int_a^b f(a+b-x) dx

and then adding the two integrals.

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