Explanation Given that, r = − b + b 2 − 4 a c and s = − b − b 2 − 4 a c . Substitute r = − b + b 2 − 4 a c and s = − b − b 2 − 4 a c in r 2 − s 2 and simplify as follows. r 2 − s 2 = ( − b + b 2 − 4 a c ) 2 − ( − b − b 2 − 4 a c ) 2 = b 2 − 2 b b 2

Student Solutions Manual For Basic Technical Mathematics And Basic Technical Mathematics With Calculus

11th Edition

ISBN: 9780134434636

Author: Allyn J. Washington, Richard Evans

Publisher: PEARSON

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Chapter 11.5, Problem 66E

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The value of r2−s2 if r=−b+b2−4ac and s=−b−b2−4ac.

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Chapter 11.5, Problem 65E

Chapter 11.5, Problem 67E

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Chapter 11 Solutions

Student Solutions Manual For Basic Technical Mathematics And Basic Technical Mathematics With Calculus

Ch. 11.1 - Simplify: a(x−1y3)2 Ch. 11.1 - Simplify: Ch. 11.1 - Prob. 3PE Ch. 11.1 - Simplify: (3a)−1 − 3a−2 Ch. 11.1 - Prob. 1E Ch. 11.1 - Prob. 2E Ch. 11.1 - Prob. 3E Ch. 11.1 - Prob. 4E Ch. 11.1 - In Exercises 5–56, express each of the given...Ch. 11.1 - In Exercises 5–56, express each of the given...

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The value of r 2 − s 2 if r = − b + b 2 − 4 a c and s = − b − b 2 − 4 a c .

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The value of r2−s2 if r=−b+b2−4ac and s=−b−b2−4ac.

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Chapter 11 Solutions