GATE EE 2026 Set 1 — Question 65
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Engineering Mathematics → Calculus → Definite & Improper Integrals
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Question
The integral evaluates to _________(Round off to two decimal places)
Correct answer
0.25 to 0.25
Solution
Let the integral be .
Using the substitution , then . The limits change from to :Since the variable of integration is dummy, we can write:Adding the two expressions for :The question asks for the value of :Rounding to two decimal places, the value is 0.25.
Using the substitution , then . The limits change from to :Since the variable of integration is dummy, we can write:Adding the two expressions for :The question asks for the value of :Rounding to two decimal places, the value is 0.25.
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