શ્રેણિક $\begin{bmatrix} 1 & 4 & -1 \\ 2 & 3 & 0 \\ 0 & 1 & 2 \end{bmatrix}$ નો નિશ્ચાયક (rank) શોધો.

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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જો $f'(x) = \left| \begin{array}{ccc} mx & mx - p & mx + p \\ n & n + p & n - p \\ mx + 2n & mx + 2n + p & mx + 2n - p \end{array} \right|$ હોય,તો $y = f(x)$ શું દર્શાવે છે?

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.

શ્રેણિક $\begin{bmatrix} 4 & 2 & 1-x \\ 5 & k & 1 \\ 6 & 3 & 1+x \end{bmatrix}$ નો નિશ્ચાયક $1$ છે,તો

જો $f(x) = \left| \begin{array}{ccc} 2 \cos^2 x & \sin 2x & \sin x \\ \sin 2x & 2 \sin^2 x & -\cos x \\ \sin x & -\cos x & 0 \end{array} \right|$ હોય, તો $\int_0^{\frac{\pi}{4}} (2|f(x)| + 5f'(x)) \, dx$ ની કિંમત શોધો.

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

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