જો $\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$ હોય,તો $\frac{d^2 y}{d x^2}$ શું થાય?

  • A
    $\frac{-b^4}{a}$
  • B
    $\frac{b^4}{a^2}$
  • C
    $\frac{-b^4}{y^3}$
  • D
    $\frac{-b^4}{a^2 y^3}$

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$y=\sin ^{-1}\left\{\frac{5 x+12 \sqrt{1-x^{2}}}{13}\right\} ;|x| \leq 1$ માટે,જો $a\left(1-x^{2}\right) y_{2}+b x y_{1}=0$ હોય તો $(a, b)=$

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જો $\cos ^{-1}\left(\frac{y}{2}\right)=\log _{e}\left(\frac{x}{5}\right)^{5}$ અને $|y| < 2$ હોય,તો નીચેનામાંથી કયું સત્ય છે?

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