Class 12Mathematics3 and 4 .Determinants and MatricesRank of Matrices , Some special determinants, differentiation and integration of determinants
Easyજો સમીકરણોની સંહતિ $a_1 x + b_1 y + c_1 z = 0$,$a_2 x + b_2 y + c_2 z = 0$,અને $a_3 x + b_3 y + c_3 z = 0$ નો માત્ર શૂન્યતર ઉકેલ (trivial solution) હોય,તો શ્રેણિક $A = \begin{bmatrix} a_1 & b_1 & c_1 \\ a_2 & b_2 & c_2 \\ a_3 & b_3 & c_3 \end{bmatrix}$ નો નિશ્ચાયક (rank) કેટલો થાય?
- A$2$
- B$1$
- C$3$
- D$0$
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Similar Questions
જો $f(x) = \left|\begin{array}{ccc} x^3 & 2x^2+1 & 1+3x \\ 3x^2+2 & 2x & x^3+6 \\ x^3-x & 4 & x^2-2 \end{array}\right|$ તમામ $x \in R$ માટે હોય,તો $2f(0) + f'(0)$ ની કિંમત શોધો.
DifficultJEE MAIN 2024
View Solutionજો $f(x) = \left| \begin{array}{ccc} \sin(x + \alpha) & \sin(x + \beta) & \sin(x + \gamma) \\ \cos(x + \alpha) & \cos(x + \beta) & \cos(x + \gamma) \\ \sin(\alpha + \beta) & \sin(\beta + \gamma) & \sin(\gamma + \alpha) \end{array} \right|$ અને $f(10) = 10$ હોય,તો $f(\pi)$ ની કિંમત શોધો.
શ્રેણિક $\left[\begin{array}{cccc}3 & 2 & 1 & -4 \\ 2 & 3 & 0 & -1 \\ 1 & -6 & 3 & -8\end{array}\right]$ નો નિશ્ચાયક (rank) શોધો.
જો $a_1, a_2, a_3, \dots, a_n$ સમગુણોત્તર શ્રેણી રચે છે,તો નિશ્ચાયક $\left| \begin{array}{ccc} \log a_n & \log a_{n+1} & \log a_{n+2} \\ \log a_{n+3} & \log a_{n+4} & \log a_{n+5} \\ \log a_{n+6} & \log a_{n+7} & \log a_{n+8} \end{array} \right|$ ની કિંમત શોધો.
Medium
View Solutionજો $f(x) = \left| \begin{array}{ccc} \sin x & \cos x & \tan x \\ x^3 & x^2 & x \\ 2x & 1 & x \end{array} \right|$ હોય,તો $\lim_{x \to 0} \frac{f(x)}{x^2}$ ની કિંમત શોધો.
DifficultKCET 2012
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