Use the Binomial Theorem to solve $(x+y)^2$.

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Lesson Parent: 
The Binomial Theorem
Problem: 

Use the Binomial Theorem to solve $(x+y)^2$.

Answer: 

$(x+y)^2=x^2+2xy+y^2$

SAMPLE SOLUTION

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Solution: 

We know from the FOIL method in Algebra that <Sign in to see all the formulas>. But we want to determine this from the Binomial Theorem. We should get the same answer if we do it correctly.

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