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Find the angle between pair of lines giv...

Find the angle between pair of lines given by:
`vecr = 3hati + 2hatj - 4hatk + lambda(hati + 2hatj + 2hatk)`and r = 3 ˆ i + 2 ˆ j − 4 ˆ k + λ ( ˆ i + 2 ˆ j + 2 ˆ k )

Text Solution

Verified by Experts

The correct Answer is:
`theta = cos^(-1)(19/21)`
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