Let a = 3/2 + 34. (a) Compute a³ and write it in the form pa + q where p and q are integers. Use this to show that a is an algebraic number. (b) Prove that a is irrational.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.3: Quadratic Equations
Problem 49E
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Let a = 3/2 + 34.
(a) Compute a³ and write it in the form pa+q where p and q are integers. Use this
to show that a is an algebraic number.
(b) Prove that a is irrational.
Transcribed Image Text:Let a = 3/2 + 34. (a) Compute a³ and write it in the form pa+q where p and q are integers. Use this to show that a is an algebraic number. (b) Prove that a is irrational.
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