MCQ
If $\int_{ - 1}^1 {f(x)\,dx = 0} $, then
- A$f(x) = f( - x)$
- ✓$f( - x) = - f(x)$
- C$f(x) = 2f(x)$
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$x + ky = 1$ ; $kx + y = 2$; $x + y = k$ are consistent then $k_1^2 + k_2^2$ is equal to