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Class 9 Mathematics Exploring Algebraic Identities Algebraic identitiesHard

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In ( (x+2y+3z)^2 ), what do the (xz) term and the (yz) term together form?

Answer and explanation

Correct answer: (6xz+12yz)

The (xz) term is (2\cdot x\cdot3z=6xz) and the (yz) term is (2\cdot2y\cdot3z=12yz). Exam tip: find each pair separately.

Related tags

Three Term Square Xz Yz Terms Hard Algebraic Identities Exploring Algebraic Identities Mathematics Class 9 Mcq

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