Cocenterexaumple. To shaw that of form Ux, PW) is F, find o counterexauple, that is, on examp. K for which Pc)' is F. Ex. Show that the statenent `every poitie a a statement ne need only intger con be written of three întegers" o F. Oo, '4, 2일 4, 32-9 sum of squares %3D Counterex. 7 can't be written as sm of three int.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 87E
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Counterexauple. To shaw that a
of form Ux, PG) is F, ne need only
find o counterexauple, that is, on exaup.
K for which Pc)' is F.
Ex. Show that the statenent "
inteer con he written sum of squares
of three întegers" o F.
Oo, '4, 2일 4, 32- 9
statement
avey poite
%3D
Counterex. 7 can't be written as sum
of three int.
Transcribed Image Text:Counterexauple. To shaw that a of form Ux, PG) is F, ne need only find o counterexauple, that is, on exaup. K for which Pc)' is F. Ex. Show that the statenent " inteer con he written sum of squares of three întegers" o F. Oo, '4, 2일 4, 32- 9 statement avey poite %3D Counterex. 7 can't be written as sum of three int.
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