Math, asked by aswathynnair95, 9 months ago

{1 2 3}
A= {3 -2 1}
{4 2 1}

Show that A^3-23A-40I=0

Hence find A^-1

Answers

Answered by lakshmikanth2723

0

Answer:

kgjgjdjjcgygdyvRIvdfslapstick

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