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What is the value of $(A + B) \cdot (A \times B)$ ?

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A2-B2

A2+B2+2AB

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detailed solution

Correct option is A

(A×B) is perpendicular to both A and B or (A+B) and dot product of two perpendicular vectors is zero.

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What is the value of (A+B)·(A×B)?

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What is the value of $(A + B) \cdot (A \times B)$ ?