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If vector hati+hatj-hatk" and "2hati+2ha...

If vector `hati+hatj-hatk" and "2hati+2hatj+lambdahatk` are parallel than find out the value of `lambda` :-

A

-1

B

1

C

-2

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-RACE-Basic Maths (VECTORS)
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  6. When vecA.vecB=-|vecA||vecB|, then :-

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  8. (vecA+2vecB).(2vecA-3vecB):-

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  18. If vector (hata+ 2hatb) is perpendicular to vector (5hata-4hatb), then...

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