Which is the (bc)-term in ( (3a-2b+c)^2 )?
Answer and explanation
Correct answer: (-2bc)
Twice the product of (-2b) and (c) is (2\cdot(-2b)\cdot c=-4bc). Match both sign and coefficient carefully.
Frequently asked questions
What is the correct answer to this question?
(-2bc)
Why is this the correct answer?
Twice the product of (-2b) and (c) is (2\cdot(-2b)\cdot c=-4bc). Match both sign and coefficient carefully.
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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