JEE MAIN - Mathematics Hindi (2022 - 27th June Evening Shift - No. 21)

माना अवकल समीकरण $$\left(1-x^{2}\right) d y=\left(x y+\left(x^{3}+2\right) \sqrt{1-x^{2}}\right) d x,-1 < x < 1, y(0)=0$$, का हल $$y=y(x)$$ है । यदि $$\int_{\frac{-1}{2}}^{\frac{1}{2}} \sqrt{1-x^{2}} y(x) d x=k$$ है, तो $$k^{-1}$$ बराबर है ___________ |
Answer
320

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