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Class 9MathematicsExploring Algebraic IdentitiesAlgebraic identitiesExpertLevel 63
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Which term containing (yz) appears in ( (x+2y+3z)^2 )?

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Answer and explanation

Correct answer: (12yz)

(2\times2y\times3z=12yz). Exam tip: in the square of three terms, take twice the product of every pair.

Related tags

Three Term SquareMixed TermYz

Frequently asked questions

What is the correct answer to this question?

(12yz)

Why is this the correct answer?

(2\times2y\times3z=12yz). Exam tip: in the square of three terms, take twice the product of every pair.

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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10 more MCQs
  1. 1What is the correct expansion of the identity ( (a+b)^2 )?
  2. 2Choose the correct expansion of the identity ( (x-y)^2 ).
  3. 3The identity ( (p+q)(p-q) ) is equal to what?
  4. 4Which of the following identities represents the factorisation of the difference of two squares?
  5. 5Which of the following identities represents the square of the difference of two terms?
  6. 6In the expansion of which of the following identities is the middle term negative?
  7. 7Which of the following expressions can be written as a product of two binomials using the identity for the difference of squares?
  8. 8Which of the following expressions can be factorised using the identity \(a^2-b^2=(a-b)(a+b)\)?
  9. 9Which algebraic identity is used to factorise a difference of two squares?
  10. 10What is the middle term in ( (3a+2b)^2 )?
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