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Find the angle between the lines given b...

Find the angle between the lines given by
`vecr=(2hati+3hatj+4hatk)-lambda (hati-4hatj+5hatk) and vecr = (hati-hatj+hatk)-s(2hati-3hatj+4hatk)`

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Verified by Experts

The correct Answer is:
`cos^(-1)(38/(5sqrt(58)))`
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AAKASH INSTITUTE-THREE DIMENSIONAL GEOMETRY -TRY YOURSELF
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