If `[x]` denotes the integral part of `x` and `f(x)=min(x-[x],-x-[-x])` show that:
Channel: Doubtnut
Date: 2020-04-12

If `[x]` denotes the integral part of `x` and `f(x)=min(x-[x],-x-[-x])` show that: `int_-2^2f(x)dx=1`