3 ms·
The article shows in (1) that F(\pi) + F(0) is the integral of f(x)sin(x) from 0 to pi; the integrand is non-negative there and thus so is the integral.
by ykonstant 2y ago
The article shows in (1) that F(\pi) + F(0) is the integral of f(x)sin(x) from 0 to pi; the integrand is non-negative there and thus so is the integral.
- red_trumpet 2y agoEven stronger, the integrand is positive, hence the integral is positive as well, so it cannot be zero.