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Basic Concepts Of Determinant Part 5

Posted on - 04-01-2017

Math

IIT JEE

Determinants Involving Integrations

Let D(x) = where a, b, c, l, m and n are constants.

&⇒ =

Note:

If the elements of more than one column or rows are functions of x then the integration can be done only after evaluation / expansion of the determinant.

Example.1

Let

Prove that

Solution

Operate R₁ → R₁ – secx R₃

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