જો $f(x) = \begin{vmatrix} \sin x & \cos x & \tan x \\ x^3 & x^2 & x \\ 2x & 1 & 1 \end{vmatrix}$ હોય,તો $\lim_{x \to 0} \frac{f(x)}{x^2}$ ની કિંમત શોધો.

  • A
    $3$
  • B
    $-1$
  • C
    $0$
  • D
    $1$

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જો $\Delta(x) = \begin{vmatrix} x-2 & (x-1)^2 & x^3 \\ x-1 & x^2 & (x+1)^3 \\ x & (x+1)^2 & (x+2)^3 \end{vmatrix}$ હોય, તો $\Delta(x)$ માં $x$ નો સહગુણક શોધો.

જો $f(x) = \left| \begin{array}{ccc} \sin x & \cos x & \tan x \\ x^3 & x^2 & x \\ 2x & 1 & x \end{array} \right|$ હોય,તો $\lim_{x \to 0} \frac{f(x)}{x^2}$ ની કિંમત શોધો.

જો $f(x) = \begin{vmatrix} x & x^2 & x^3 \\ 1 & 2x & 3x^2 \\ 0 & 2 & 6x \end{vmatrix}$ હોય,તો ગુણોત્તર $f^{\prime \prime}(x) : f^{\prime}(x) =$

$f(x) = \left| \begin{array}{ccc} \sin^2 x & -2 + \cos^2 x & \cos 2x \\ 2 + \sin^2 x & \cos^2 x & \cos 2x \\ \sin^2 x & \cos^2 x & 1 + \cos 2x \end{array} \right|, x \in [0, \pi]$. તો $f(x)$ ની મહત્તમ કિંમત $.....$ છે.

શ્રેણિક $\begin{bmatrix} 1 & -1 & 1 \\ 1 & 1 & -1 \\ -1 & 1 & 1 \end{bmatrix}$ નો નિશ્ચાયક (rank) કેટલો છે?

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