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6. A = 4 7 3 6 b = 10 5

6. A = 4 7 3 6 b = 10 5

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question

First, apply the formulas in (9) to find A^-1. Then use A^-1 to solve the system Ax=b.

THEOREM 2 Inverses of 2 x 2 Matrices The 2 x 2 matrix b A-[28] = C d is invertible if and only if ad - bc ‡ 0, in which case A-¹ d -b = ad-be [ - ] a (9)
Transcribed Image Text:THEOREM 2 Inverses of 2 x 2 Matrices The 2 x 2 matrix b A-[28] = C d is invertible if and only if ad - bc ‡ 0, in which case A-¹ d -b = ad-be [ - ] a (9)
= [₁ 3 6. A = } ], b = -[₁ 4 7 10 5
Transcribed Image Text:= [₁ 3 6. A = } ], b = -[₁ 4 7 10 5
Expert Solution
Step 1: Given

A equals open square brackets table row 4 7 row 3 6 end table close square brackets comma space b equals open square brackets table row 10 row 5 end table close square brackets

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