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The two lines vec(r)(2)=vec(a)(1)+lamdav...

The two lines `vec(r)_(2)=vec(a)_(1)+lamdavec(b),vec(r)_(2)=vec(a)_(2)+muvec(b)` will intersect if d = . . . . . . . .

Text Solution

Verified by Experts

The correct Answer is:
`(vec(b)_(1)xxvec(b)_(2)).(vec(a)_(2)-vec(a)_(1))=0`
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