If [x] is the greatest integer ≤ x, then the value of the integral _ -0.9 ^ 0.9 ([x^2] + ( 2 - x 2 + x ) )dx...

Question

If [x] is the greatest integer ≤ x, then the value of the integral _ -0.9 ^ 0.9 ([x^2] + ( 2 - x 2 + x ) )dx is

Accepted Answer

(4)

JEE Main 2012 Mathematics question