Def integration

ans ac... Plz tell me how to check between c and d option

@SanjeevPatel
As sin(πx) lies between 1 to 1 but due to mod sin(πx) will be in 0 to 1 therefore fractional part will be removed same is for sin²(πx) as it also lies in 0 to 1.
Hope you understand it.

@KanishkKumar0 yes got it.. Thnx

@SanjeevPatel
By QUEEN property.