MCQ
સમીકરણ $y = (x + K){e^{ - x}}$ નું વિકલ સમીકરણ મેળવો.
- A$\frac{{dy}}{{dx}} - y = {e^{ - x}}$
- B$\frac{{dy}}{{dx}} - y{e^x} = 1$
- C$\frac{{dy}}{{dx}} + y{e^x} = 1$
- ✓$\frac{{dy}}{{dx}} + y = {e^{ - x}}$
==> $\frac{{dy}}{{dx}} = - y + {e^{ - x}}$ ==> $\frac{{dy}}{{dx}} + y = {e^{ - x}}$.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $X$ | $1$ | $2$ | $3$ | $4$ | $5$ |
| $P(X)$ | $K^2$ | $2K$ | $K$ | $2K$ | $5K^2$ |
તો $\mathrm{P}(\mathrm{X}> 2)$ મેળવો.