What is the value of
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Reduction Formula is attached above ...
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EXPLANATION.
As we know that,
In this type of questions we can apply,
WALLIS THEOREAM.
This method is only apply when equation is integrate from 0 to π/2.
m, n are not negative integers.
where,
k = π/2 if m, n both are even.
k = 1 (otherwise ).
Using reduction formula in equation, we get.
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