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

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

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Similar Questions

જો $D(x) = \begin{vmatrix} x - 1 & (x - 1)^2 & x^3 \\ x - 1 & x^2 & (x + 1)^3 \\ x & (x + 1)^2 & (x + 1)^3 \end{vmatrix}$ હોય,તો $D(x)$ માં $x$ નો સહગુણક શું છે?

અંતરાલ $-\frac{\pi}{4} \leq x \leq \frac{\pi}{4}$ માં $\left|\begin{array}{lll}\sin x & \cos x & \cos x \\ \cos x & \sin x & \cos x \\ \cos x & \cos x & \sin x\end{array}\right|=0$ ના ભિન્ન વાસ્તવિક ઉકેલોની સંખ્યા કેટલી છે?

શ્રેણિક $\begin{bmatrix} -1 & 2 & 5 \\ 2 & -4 & a - 4 \\ 1 & -2 & a + 1 \end{bmatrix}$ નો નિશ્ચાયક (rank) શું છે?

જો $f(x) = \begin{vmatrix} 2 \cos^4 x & 2 \sin^4 x & 3 + \sin^2 2x \\ 3 + 2 \cos^4 x & 2 \sin^4 x & \sin^2 2x \\ 2 \cos^4 x & 3 + 2 \sin^4 x & \sin^2 2x \end{vmatrix}$ હોય,તો $\frac{1}{5} f'(0)$ ની કિંમત શોધો.

જો ${\Delta _1} = \left| {\begin{array}{*{20}{c}} x & b & b \\ a & x & b \\ a & a & x \end{array}} \right|$ અને ${\Delta _2} = \left| {\begin{array}{*{20}{c}} x & b \\ a & x \end{array}} \right|$ આપેલ નિશ્ચાયકો હોય,તો:

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