SOLUTION: the two expressions (x+y)^2 and x^2+y^2 are equal for all real numbers x and y??? true or false
Please I desperately need help with this question. Thank you
Algebra.Com
Question 749067: the two expressions (x+y)^2 and x^2+y^2 are equal for all real numbers x and y??? true or false
Please I desperately need help with this question. Thank you
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
^2\ =\ x^2\ +\ 2xy\ +\ y^2\ \neq\ x^2\ +\ y^2)
Counter example to the original claim:
Let 
and let 
^2\ =\ (3)^2\ =\ 9)
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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