If then det(A–1) is _________. (correct to two decimal

Home » Engineering Mathematics » Engineering Mathematics Miscellaneous » Question

If then det(A^–1) is _________. (correct to two decimal places).

1. 1.25
2. 0.125
3. 0.215
4. 0.25

Correct Option: D

|A| = 4
= 4

\|A^–1\| =	1	=	1	= 0.25
	\|A\|		4