MCQ
$\int_{ - 1}^1 {(\sqrt {1 + x + {x^2}} - \sqrt {1 - x + {x^2}} )\,dx} =$
- ✓$0$
- B$1$
- C$ - 1$
- Dએકપણ નહીં.
Then $f( - x) = \sqrt {1 - x + {x^2}} - \sqrt {1 + x + {x^2}} = - f(x)$
Hence $f(x)$ is an odd function and
so $\int_{ - 1}^1 {f(x)dx = 0} $.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.