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3 and 4 .Determinants and Matrices
medium
यदि $U = [2\, - 3\,\,4],X = [0\,\,2\,\,3],$ $V = \left[ \begin{array}{l}3\\2\\1\end{array} \right]$ और $Y = \left[ \begin{array}{l}2\\2\\4\end{array} \right]$, तो $UV + XY$=
A
$20$
B
$[-20]$
C
$-20$
D
$[20]$
Solution
$UV = [4]$तथा $XY = [16];\,\,\therefore UV + XY = [20]$.
Standard 12
Mathematics