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
Easyयदि $\left| \begin{array}{ccc} 5 & 3 & -1 \\ -7 & x & -3 \\ 9 & 6 & -2 \end{array} \right| = 0$ है,तो $x$ का मान ज्ञात कीजिए:
- A$3$
- B$5$
- C$7$
- D$9$
Explore More
Similar Questions
यदि $x \neq 0, y \neq 0$ के लिए $D = \left| \begin{array}{ccc} 1 & 1 & 1 \\ 1 & 1+x & 1 \\ 1 & 1 & 1+y \end{array} \right|$ है,तो $D$ है
MediumAIEEE 2007
View Solutionसारणिक का मान ज्ञात कीजिए: $\left| \begin{array}{lll} a-b & b-c & c-a \\ b-c & c-a & a-b \\ c-a & a-b & b-c \end{array} \right|$
यदि $\left| \begin{array}{ccc} x+1 & 1 & 1 \\ 2 & x+2 & 2 \\ 3 & 3 & x+3 \end{array} \right| = 0$,तो $x$ का मान है
Easy
View Solution$\theta \in [0, 2\pi]$ के उन सभी संभावित मानों का योग, जिनके लिए समीकरण निकाय : $x \cos 3\theta - 8y - 12z = 0, x \cos 2\theta + 3y + 3z = 0, x + y + 3z = 0$ का एक गैर-तुच्छ (non-trivial) हल है, किसके बराबर है?
DifficultJEE MAIN 2026
View Solutionयदि आव्यूह $A = \begin{bmatrix} 1 & 2 & 3 \\ 1 & 1 & 5 \\ 2 & 4 & 7 \end{bmatrix}$ है,तो $a_{31} A_{31} + a_{32} A_{32} + a_{33} A_{33}$ का मान ज्ञात कीजिए।
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo