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What is the simplified form of ( (x+2y)^3+(x-2y)^3 )?
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Answer and explanation
Correct answer: (2x^3+24xy^2)
Use ( (a+b)^3+(a-b)^3=2a^3+6ab^2 ). Here (a=x) and (b=2y), so the result is (2x^3+24xy^2).
Frequently asked questions
What is the correct answer to this question?
(2x^3+24xy^2)
Why is this the correct answer?
Use ( (a+b)^3+(a-b)^3=2a^3+6ab^2 ). Here (a=x) and (b=2y), so the result is (2x^3+24xy^2).
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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