Let a) Find A1. [Hint: Use Exercise 19.]________________b)

Chapter 2, Problem 20E

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QUESTION:

Let a) Find A?1. [Hint: Use Exercise 19.]________________b) Find A3.________________c) Find (A?1)3.________________d) Use your answers to (b) and (c) to show that (A-1 )3is the inverse of A3.

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QUESTION:

Let a) Find A?1. [Hint: Use Exercise 19.]________________b) Find A3.________________c) Find (A?1)3.________________d) Use your answers to (b) and (c) to show that (A-1 )3is the inverse of A3.

ANSWER:

SolutionStep 1Consider a matrix Here, we have to find the A-1

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