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What is the value of (vecA+vecB),(vecAxx...

What is the value of `(vecA+vecB),(vecAxxvecB)` ?

A

0

B

`A^(2)-B^(2)`

C

`A^(2)+B^(2)+2AB`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Let `vecR=vecA+vecB` and `C=vecAxxvecB`
thus, `vecC.vecR=0rArr(vecA+vecB)=0`
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ALLEN-BASIC MATHS-EXERCISE-1
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  3. What is the value of (vecA+vecB),(vecAxxvecB) ?

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