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Hint:수+ a. Find the value of +. Suppose the equation 5x² + x - 3 = 0 has roots r and s. %3D 1 1 1 Hint: r 1 r+S + - = S S rs b. Find the value of r² – s². Hint: (r + s)(r – s) = r² – rs + rs - s? = r? - s?

Hint:수+ a. Find the value of +. Suppose the equation 5x² + x - 3 = 0 has roots r and s. %3D 1 1 1 Hint: r 1 r+S + - = S S rs b. Find the value of r² – s². Hint: (r + s)(r – s) = r² – rs + rs - s? = r? - s?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Suppose the equation 5x² + x – 3 = 0 has roots r and s. %3D 1 1 1 1 a. Find the value of +. Hint: - r+S + -- S rs b. Find the value of r² – s². Hint: (r + s)(r – s) = r² – rs + rs - s² = r? – s? %3D
Transcribed Image Text:Suppose the equation 5x² + x – 3 = 0 has roots r and s. %3D 1 1 1 1 a. Find the value of +. Hint: - r+S + -- S rs b. Find the value of r² – s². Hint: (r + s)(r – s) = r² – rs + rs - s² = r? – s? %3D
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