# Let f(x) = x − [x], for every real number x, where [x] is the integral part of x.

27 views

Let f(x) = x − [x], for every real number x, where [x] is the integral part of x. Then ∫ f (x) dx for f ∈ [-1,1)  is

(1) 1

(2) 2

(3) 0

(4) 1/2

+1 vote
by (75.6k points)
selected by

Correct Option (1) 1

Explanation: