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3 and 4 .Determinants and Matrices
easy
निम्नलिखित समीकरणों से $x, y$ तथा $z$ के मान ज्ञात कीजिए:
$\left[\begin{array}{ll}4 & 3 \\ x & 5\end{array}\right]=\left[\begin{array}{ll}y & z \\ 1 & 5\end{array}\right]$
A
$x=3$, $y=4$, $z=3$
B
$x=1$, $y=4$, $z=2$
C
$x=1$, $y=4$, $z=3$
D
$x=1$, $y=5$, $z=3$
Solution
Given : $\left[\begin{array}{ll}4 & 3 \\ x & 5\end{array}\right]=\left[\begin{array}{ll}y & z \\ 1 & 5\end{array}\right]$
As the given matrices are equal, their corresponding elements are also equal.
Comparing the corresponding elements, we get :
$x=1,\, y=4$ and $z=3$
Standard 12
Mathematics