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Find the angle between the lines r = 3ha...

Find the angle between the lines `r = 3hat(i) - 2hat(j) + 6hat(k) + lambda(2hat(i) + hat(j) + 2hat(k))` and `r = 2hat(j) - 5hat(k) + mu(6hat(i) + 3hat(j) + 2hat(k))`.

Text Solution

Verified by Experts

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