Question

when A vector ×B vector =-|A|.|B|,then​

Answer 1

Answer:

|A×B|

Explanation:

according to some rule

Answer 2

Answer:

We know that

A. B =∣A∣∣B∣Cosθ where θ is angle between them,

So A.B =−∣A∣∣B∣ if θ=180°

i. e. Vectors are opposite to each other.

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