MCQ
વિકલ સમીકરણ $y^5x+y-\frac{xdy}{dx}=0$ નો ઉકેલ $.......... .$
- A$\frac{x^4}{4}+\frac{1}{5}(\frac{x}{y})^5=c$
- ✓$\frac{x^5}{5}+\frac{1}{4}(\frac{x}{y})^4=c$
- C$(\frac{x}{y})^5+\frac{x^4}{4}=c$
- D$ (xy)^4 + \frac{x^5}{5}=c$
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કારણ $(R) : \,$ જો $\overline {{\text{AB}}} \,\, = \,\,\vec a ,\;\,\overline {BC} \,\,\, = \,\,\vec b \,$ તો $\overline {AC} = \,\vec a + \,\,\vec b $ (સરવાળા ત્રિકોણ નિયમ )