Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter5: Factoring Polynomials
Section5.4: Multiplying Binomials Mentally
Problem 49WE
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1) use direct proof to show that the product of two odd numbers is odd.
2) use direct proof to show that every odd integer is the difference of two squares.
3) Prove that if n is a perfect square, then n+2 is not a perfect square.
4) prove that if m+n and n+p are even integers, where m,n, and p are integers, then m+p is even. what kind of proof did you use.
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