1. Let x, y, and z be real numbers. Prove the following: [a] -(-x)= x [b] (-x )y = -(xy) and (- xX- y)= xy [c] If x 0, then -0 and [d] If xz = yz and z 0 then x = y [e] If x » 0, then x' > 0 (S] 0 <1 (g] If x > 1, then x² > x
1. Let x, y, and z be real numbers. Prove the following: [a] -(-x)= x [b] (-x )y = -(xy) and (- xX- y)= xy [c] If x 0, then -0 and [d] If xz = yz and z 0 then x = y [e] If x » 0, then x' > 0 (S] 0 <1 (g] If x > 1, then x² > x
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 63RE
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