3 and 4 .Determinants and Matrices
medium

सारणिक $\Delta = \left| {\,\begin{array}{*{20}{c}}{a + x}&b&c\\b&{x + c}&a\\c&a&{x + b}\end{array}\,} \right|$,का गुणनखण्ड होगा

A

$x - (a + b + c)$

B

$x + (a + b + c)$

C

$a + b + c$

D

$ - (a + b + c)$

Solution

संक्रिया ${C_1} \to {C_1} + {C_2} + {C_3}$ से हम पाते हैं, कि

$x + a + b + c$ गुणनखण्ड है।

Standard 12
Mathematics

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