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 ${\Delta _1} = \left| {\begin{array}{*{20}{c}}1&0\\a&b\end{array}} \right|$ और ${\Delta _2} = \left| {\begin{array}{*{20}{c}}1&0\\c&d\end{array}} \right|$ है,तो ${\Delta _2}{\Delta _1}$ का मान ज्ञात कीजिए।
- A$ac$
- B$bd$
- C$(b - a)(d - c)$
- Dइनमें से कोई नहीं
Explore More
Similar Questions
बिंदुओं $(2,7), (1,1), (10,8)$ वाले त्रिभुज का क्षेत्रफल ज्ञात कीजिए।
Medium
View Solution$\left| \begin{array}{ccc} 1 & 1 & 1 \\ 1 & \omega^2 & \omega \\ 1 & \omega & \omega^2 \end{array} \right| = $
Easy
View Solutionयदि $a \neq 1, b \neq -1, c \neq -1$ है और समीकरण निकाय $x = a(y+z), y = b(z+x), z = c(x+y)$ का एक अतुच्छ (non-trivial) हल है,तो:
यदि $a, b, c$ धनात्मक हैं और सभी समान नहीं हैं,तो सारणिक $\left| \begin{array}{ccc} a & b & c \\ b & c & a \\ c & a & b \end{array} \right|$ का मान है
MediumIIT 1982
View Solution$\left|\begin{array}{ccc}\cos \alpha \cos \beta & \cos \alpha \sin \beta & -\sin \alpha \\ -\sin \beta & \cos \beta & 0 \\ \sin \alpha \cos \beta & \sin \alpha \sin \beta & \cos \alpha\end{array}\right|$ का मान ज्ञात कीजिए।
Difficult
View SolutionVedclass 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