Question

if A=[1/2 -1/3]then find A-1​

Answer 1

Answer:

-5/6

Step-by-step explanation:

solving A=1/2-1/3

we get A=1/6

therefore A-1=1/6-1

A-1=-5/6

HOPE IT HELPS

Answer 2

Answer:

${A}^{-1}=[2\:-3]$

Step-by-step explanation:

Given,

2 x 1 matrix need to find its inverse.

We know that,

$A×{A}^{-1}=I$

$[\frac{1}{2}\:\frac{-1}{3}]×{A}^{-1}=1$

${A}^{-1}=1×[2\:-3]$

${A}^{-1}=[2\:-3]$

HOPE THAT HELPS!!

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