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 $\left|\begin{array}{ll}2 & 3 \\ 4 & 5\end{array}\right|=\left|\begin{array}{ll}x & 3 \\ 2x & 5\end{array}\right|$ है,तो $x$ का मान ज्ञात कीजिए।
- A$x=2$
- B$x=3$
- C$x=4$
- D$x=5$
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Similar Questions
$\left|\begin{array}{ccc}x & 3x+2 & 2x-1 \\ 2x-1 & 4x & 3x+1 \\ 7x-2 & 17x+6 & 12x-1\end{array}\right|=0$ किसके लिए सत्य है?
$\lambda$ के उन सभी मानों का समुच्चय जिनके लिए रैखिक समीकरण निकाय $x - 2y - 2z = \lambda x$,$x + 2y + z = \lambda y$,और $-x - y = \lambda z$ के अशून्य हल हैं।
DifficultJEE MAIN 2019
View Solution$\left| \begin{array}{ccc} 1 & 1 & 1 \\ bc & ca & ab \\ b+c & c+a & a+b \end{array} \right|$ का मान क्या है?
Medium
View Solutionयदि $A, B, C$ एक त्रिभुज के कोण हैं और $\left| {\begin{array}{*{20}{c}}1&1&1\\{1 + \sin A}&{1 + \sin B}&{1 + \sin C}\\{\sin A + {{\sin }^2}A}&{\sin B + {{\sin }^2}B}&{\sin C + {{\sin }^2}C} \end{array}} \right| = 0$ है,तो त्रिभुज है
$\left| \begin{matrix} 0 & a & -b \\ -a & 0 & c \\ b & -c & 0 \end{matrix} \right| = $
Easy
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