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JEE Mains · Maths · STD 12 - 9. differential equations

જો \(y=y(x)\) એ વિકલ સમીકરણ \(\frac{d y}{d x}+\frac{4 x}{\left(x^2-1\right)} y=\frac{x+2}{\left(x^2-1\right)^{\frac{5}{2}}}, x > 1\) નો એવો ઉકેલ હોય કે જેથી \(y(2)=\frac{2}{9} \log _e(2+\sqrt{3})\) અને \(y(\sqrt{2})=\alpha \log _e(\sqrt{\alpha}+\beta)+\beta-\sqrt{\gamma}, \alpha, \beta, \gamma \in N\) થાય,તો \(\alpha \beta \gamma =.........\)

  1. A \(8\)
  2. B \(6\)
  3. C \(10\)
  4. D \(14\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(6\)

Step-by-step Solution

Detailed explanation

\(\frac{d y}{d x}+\frac{4 x}{\left(x^2-1\right)} y=\frac{x+2}{\left(x^2-1\right)^{\frac{5}{2}}}, x > 1\) \(\text { I.F. }=e^{\int \frac{4 x}{x^2-1} d x}\) \(\text { I.F. }=\left( x ^2-1\right)^2\)…
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