Class 12Mathematics3 and 4 .Determinants and MatricesExpansion of determinants, Solution of equation in the form of determinants and area of triangle and Equation of Line
Easyજો $\left|\begin{array}{ll}2017 & 2018 \\ 2019 & 2020\end{array}\right|+\left|\begin{array}{ll}2021 & 2022 \\ 2023 & 2024\end{array}\right|=2 k$ હોય,તો $k^3=$ . . . . . .
- A$8$
- B$-8$
- C$0$
- D$-64$
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Similar Questions
જો $A = \begin{bmatrix} 5 & 5x & x \\ 0 & x & 5x \\ 0 & 0 & 5 \end{bmatrix}$ અને $|A^2| = 25$ હોય, તો $|x|$ ની કિંમત શોધો.
$\lambda$ ના એવા ભિન્ન મૂલ્યોનો સરવાળો શોધો જેના માટે સમીકરણ સંહતિ
$(\lambda-1) x+(3 \lambda+1) y+2 \lambda z=0$
$(\lambda-1) x+(4 \lambda-2) y+(\lambda+3) z=0$
$2 x+(3 \lambda+1) y+3(\lambda-1) z=0$
શૂન્યતર ઉકેલો ધરાવે છે.
$(\lambda-1) x+(3 \lambda+1) y+2 \lambda z=0$
$(\lambda-1) x+(4 \lambda-2) y+(\lambda+3) z=0$
$2 x+(3 \lambda+1) y+3(\lambda-1) z=0$
શૂન્યતર ઉકેલો ધરાવે છે.
DifficultJEE MAIN 2020
View Solutionજો $f(x) = \left|\begin{array}{ccc} 1 & x & x+1 \\ 2x & x(x-1) & x(x+1) \\ 3x(x-1) & x(x-1)(x-2) & (x-1)x(x+1) \end{array}\right|$, હોય તો $f(2012)$ ની કિંમત શોધો.
જો $A = \begin{bmatrix} x & 2 & 1 \\ 2 & x & 1 \\ 2 & 1 & 0 \end{bmatrix}$ અને $\det(A^3) = 125$ હોય,તો $x =$
જો $\left|\begin{array}{ccc}\cos (A+B) & -\sin (A+B) & \cos 2 B \\ \sin A & \cos A & \sin B \\ -\cos A & \sin A & \cos B\end{array}\right|=0$ હોય, તો $B$ ની કિંમત શોધો.
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