Find the shortest distance between the l...

Find the shortest distance between the lines `vecr =(8+3lambda) hati - (9 +16lambda) hatj+(10+7lambda)hatk` and `vecr= (15hati + 29hatj + 5hatk) + mu(3hati + 8hatj - 5hatk ).`

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The correct Answer is:

`=14 units`

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