જો $f(x+ay)+g(x-ay)=0$ હોય,તો $a \frac{dy}{dx}=$

  • A
    $\frac{f^{\prime}(x-ay)+g^{\prime}(x+ay)}{g^{\prime}(x+ay)-f^{\prime}(x-ay)}$
  • B
    $\frac{f^{\prime}(x+ay)+g^{\prime}(x-ay)}{g^{\prime}(x-ay)-f^{\prime}(x+ay)}$
  • C
    $\frac{f^{\prime}(x+ay)g^{\prime}(x-ay)}{f^{\prime}(x+ay)+g^{\prime}(x-ay)}$
  • D
    $\frac{f^{\prime}(x+ay)+g^{\prime}(x-ay)}{f^{\prime}(x+ay)g^{\prime}(x-ay)}$

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