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What is the difference between ( (m+n)^2 ) and (m^2+n^2)?
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Answer and explanation
Correct answer: (2mn)
( (m+n)^2=m^2+2mn+n^2 ), so the extra term is (2mn). Exam tip: remember this common mistake.
Frequently asked questions
What is the correct answer to this question?
(2mn)
Why is this the correct answer?
( (m+n)^2=m^2+2mn+n^2 ), so the extra term is (2mn). Exam tip: remember this common mistake.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Exploring Algebraic Identities. Topic: Algebraic identities.
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