MCQ
$\int {\,\,\frac{{1 - {x^7}}}{{x(1 + {x^7})}}} $ $dx $ equals :
- A$ln x + \frac{2}{7} ln (1 + x^7) + c$
- B$ln x - \frac{2}{7} ln (1 - x^7) + c$
- ✓$ln x - \frac{2}{7} ln (1 + x^7) + c$
- D$ln x + \frac{2}{7} ln (1 - x^7) + c$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $X$ | $\alpha$ | $1$ | $0$ | $-3$ |
| $P(X)$ | $\frac{1}{3}$ | $K$ | $\frac{1}{6}$ | $\frac{1}{4}$ |
be $\mu$ and $\sigma$, respectively. If $\sigma-\mu=2$, then $\sigma+\mu$ is equal to....................