MCQ
The degree of the differential equation $\frac{\text{d}^3\text{y}}{\text{dx}^3}+3\frac{\text{d}^2\text{y}}{\text{dx}^2}=\text{x}^2\log\frac{\text{d}^3\text{y}}{\text{dx}^3}$ is:
- A$1$
- B$2$
- C$3$
- ✓none of these
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$I.$ $P\,({A^c}/{B^c}) = \frac{3}{4}$
$II.$ The events $A$ and $B$ are mutually exclusive
$III.$ $P(A/B) + P(A/{B^c}) = 1$