is equal to?
1
2
-1
-2
As we learnt
Properties of definite integration -
If is an EVEN function of x: then integral of the function from - a to a is the same as twice the integral of the same function from o to a.
- wherein
Check even function and symmetrical about y axis.
Option 1)
1
Option 2)
2
Option 3)
-1
Option 4)
-2
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