ધારો કે $f(x)$ એક વિકલનીય વિધેય છે જેથી $f(1)=2$,$f(2)=6$ અને $f(x+y)=f(x)+kxy+\frac{4}{3}y^2$ દરેક $x, y \in R$ માટે,તો $f(x)=$

  • A
    $4x-2$
  • B
    $y-4x^2+2x-4$
  • C
    $\frac{8}{3}x^2+\frac{4}{3}$
  • D
    $\frac{4}{3}x^2+\frac{2}{3}$

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વિધેય $f(x) = \frac{x^{100}}{100} + \frac{x^{99}}{99} + \dots + \frac{x^2}{2} + x + 1$ માટે સાબિત કરો કે $f^{\prime}(1) = 100 f^{\prime}(0)$.

$\tan (2 x+3)$ નું વિકલન શોધો.

જો $f(x) = \sqrt{1 + \cos^2(x^2)}$ હોય,તો $f^{\prime}\left(\frac{\sqrt{\pi}}{2}\right)$ શોધો.

જો $y = \frac{x}{2}\sqrt{a^2 + x^2} + \frac{a^2}{2}\log(x + \sqrt{x^2 + a^2})$ હોય,તો $\frac{dy}{dx} = $

જો $y=x^{n} \log x+x(\log x)^{n}$ હોય,તો $\frac{d y}{d x}$ બરાબર શું થાય?

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