Determine whether the following pair of ...

Determine whether the following pair of lines intersect: `vecr=hati-hatj+lamda(2hati+hatk) and vecr=2hati-hatj+mu(hati+hatj-hatk)`

A

do not intersect for any values of l and m

B

intersect when l=1 and m=2

C

intersect when l=2 and `m=(1)/(2)`

D

intersect for all values of l and m

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The correct Answer is:

A

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