MCQ
સમીકરણ $x\,dy - y\,dx = (\sqrt {{x^2} + {y^2})} dx$ નો ઉકેલ મેળવો.
- A$y - \sqrt {{x^2} + {y^2}} = c{x^2}$
- ✓$y + \sqrt {{x^2} + {y^2}} = c{x^2}$
- C$y + \sqrt {{x^2} + {y^2}} + c{x^2} = 0$
- Dએકપણ નહી.
$y = vx$ and $\frac{{dy}}{{dx}} = v + x\frac{{dv}}{{dx}}$.
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ધારો કે $a \in S$ અને $A =\left[\begin{array}{ccc}1 & 0 & a \\ -1 & 1 & 0 \\ - a & 0 & 1\end{array}\right]$ છે.
જો $\sum_{ a \in S } \operatorname{det}(\operatorname{adj} A )=100 \lambda$ હોય, તો $\lambda$ .........