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)
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,...
Related questions
Question
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f6c3f40-5a52-49f9-86d7-59965e03f5da%2Fd04a902c-3d64-44a1-986e-7b282c4515a2%2Febecs2b_processed.jpeg&w=3840&q=75)
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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