Question

if A is a matrix of order 3×3 such that A^2 = 4A-3 I then A inverse is​

Answer 1

Answer:

Given that:

∣A∣=5

∣4A∣=4^3×∣A∣=4^3×5=320

Hope it helps you.

Answer 2

Answer:

Given that:

∣A∣=5

∣4A∣=4

3

×∣A∣=4

3

×5=320

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Step-by-step explanation:

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