The roots of the determinant equation (in x) | , * 20 c a&a&x &m&… - Vidyadip

MCQ

The roots of the determinant equation (in $x$) $\left| {\,\begin{array}{*{20}{c}}a&a&x\\m&m&m\\b&x&b\end{array}\,} \right| = 0$

✓
$x = a,b$
B
$x = - a, - b$
C
$x = - a,b$
D
$x = a, - b$

✓

Answer

Correct option: A.

$x = a,b$

a
(a) Obviously, the determinant is satisfied for $x = a,b$.

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