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Find the angle between the following lin...

Find the angle between the following lines.
`vecr=(4hati-hatj)+t(hati+2hatj-2hatk)`
`vecr =(hati-2hatj+4hatk)+s(-hati-2hatj+2hatk)`

Text Solution

Verified by Experts

The correct Answer is:
` (pi)/(2) `
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