Which product is not a difference of two squares? C(-x+3y)(x+3y) d. (x- 3y)(-x -3y) A. (x- 3y)(x+ 3y) B. (x+3y)(3y +x)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Which product is not a difference of two squares?
A. (x- 3y)(x+ 3y)
B. (x+3y)(3y +x)
(-x+3y)(x+3y)
d. (x – 3y)(-x -3y)
С.
Transcribed Image Text:Which product is not a difference of two squares? A. (x- 3y)(x+ 3y) B. (x+3y)(3y +x) (-x+3y)(x+3y) d. (x – 3y)(-x -3y) С.
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