જો $\sin (xy) + \frac{x}{y} = {x^2} - y,$ હોય,તો $\frac{dy}{dx} = $

  • A
    $\frac{y(2xy^2 - y - y^3\cos(xy))}{x(y^2\cos(xy) - x + y^2)}$
  • B
    $\frac{2xy^2 - y - y^3\cos(xy)}{x(y^2\cos(xy) - x + y^2)}$
  • C
    $-\frac{y(2xy^2 - y - y^3\cos(xy))}{x(y^2\cos(xy) - x + y^2)}$
  • D
    આમાંથી કોઈ પણ નહીં

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બિંદુ $(a, 1)$ આગળ અતિવલય $xy = a$ $(a \ne 0)$ ને દોરેલા સ્પર્શકનો ઢાળ કેટલો થાય?

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$x\sqrt{1 + y} + y\sqrt{1 + x} = 0$ હોય,તો $\frac{dy}{dx} = $

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

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