Question

please solve this question​

Answer 1

Step-by-step explanation:

$\blue{\mathfrak{\underline{\large{Given}}}:} \\ |adjA| =225 \\ \blue{\mathfrak{\underline{\large{To \: find}}}:} \\ |A'| = ? \\ \blue{\mathfrak{\underline{\large{Finding}}}:} \\ |adjA| = { |A| }^{n - 1} ,where \: n = order \: of \: matrix \\ |adjA| = { |A| }^{3 - 1}\\ |adjA| = { |A| }^{2} \\ 225 = { |A| }^{2} \\ |A| = \sqrt{225} \\ |A| = 15 \\ |A'| = |A| ' = 15 \\ \\ \red{\mathfrak{ \large{\underline{{Hope \: It \: Helps \: You}}}}} \\ \blue{\mathfrak{ \large{\underline{{Mark \: Me \: Brainliest}}}}}$