શ્રેણિક $\left[\begin{array}{ccc}1 & -1 & 1 \\ 1 & 1 & -1 \\ -1 & 1 & 1\end{array}\right]$ નો નિશ્ચાયક (Rank) શોધો.

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $3$

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જો શ્રેણિક $A=\left[\begin{array}{cccc}1 & 2 & 3 & 0 \\ 2 & 4 & 3 & 2 \\ 3 & 2 & 1 & 3 \\ 6 & 8 & 7 & \alpha\end{array}\right]$ નો નિશ્ચાયક (rank) $3$ હોય,તો $\alpha$ ની કિંમત શોધો.

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 $\left| \begin{array}{ccc} 1 + ax & 1 + bx & 1 + cx \\ 1 + a_1x & 1 + b_1x & 1 + c_1x \\ 1 + a_2x & 1 + b_2x & 1 + c_2x \end{array} \right| = A_0 + A_1x + A_2x^2 + A_3x^3$ હોય,તો $A_1$ ની કિંમત શોધો.

Difficult
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જો $\Delta (x) = \left| \begin{array}{ccc} x^n & \sin x & \cos x \\ n! & \sin \frac{n\pi}{2} & \cos \frac{n\pi}{2} \\ a & a^2 & a^3 \end{array} \right|$ હોય,તો $x = 0$ આગળ $\frac{d^n}{dx^n}[\Delta (x)]$ ની કિંમત શોધો.

Difficult
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નિશ્ચાયક $\left| {\begin{array}{ccc} 4 + {x^2} & -6 & -2 \\ -6 & 9 + {x^2} & 3 \\ -2 & 3 & 1 + {x^2} \end{array}} \right|$ એ નીચેનામાંથી કોના વડે વિભાજ્ય નથી?

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