Find x and y if - x-y 2- 1 x-y - - - 3 2- 1 7 -if x - k1- y - k2find k1-k2-

Given [ x+y amp; 2; 1 amp; x y ] = #160;[ 3 amp; 2; 1 amp; 7 ] Comparing elements both side, we get x+y = 3, x y = 7 Solving ...

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Differentiation of a Determinant

Find x and ...

Question

Find $x$ and $y$ if
$[\begin{matrix} x + y & 2 1 & x - y \end{matrix}] = [\begin{matrix} 3 & 2 1 & 7 \end{matrix}]$
if $x = k_{1}, y = k_{2}$
find $k_{1} + k_{2}$ :-

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Solution

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