If the integral _0^ 10 [ 2 x] e^ x-[x] dx= e^ -1 + e^ - 1 2 + (given), where , , are integers and [x] denotes...

Question

If the integral _0^ 10 [ 2 x] e^ x-[x] dx= e^ -1 + e^ - 1 2 + (given), where , , are integers and [x] denotes the greatest integer less than or equal to x, then the value of + + is equal to :

Accepted Answer

(D)

JEE Main 2021 Mathematics question

Solution