If f(x) is an even function and a is a positive real number, then \int ↙\stackrel{a}{−a}⁡f (x) dx equals

Correct Answer is : 2∫0a⁡f(x)dx

2\int ↙\stackrel{a}{0}⁡f (x) dx

GATE Mechanical Engineering(ME) 2011 Solved Paper

Question : 31 of 65

Marks: +1, -0

If f(x) is an even function and a is a positive real number, then

∫ ↙{−a}↖{a}⁡f (x) dx

equals

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