Let veca=hati+hatj and vecb=2hati-hatk. ...

Let `veca=hati+hatj and vecb=2hati-hatk.` Then the point of intersection of the lines `vecrxxveca=vecbxxveca and vecrxxvecb=vecaxxvecb` is (A) `(3,-1,10` (B) `(3,1,-1)` (C) `(-3,1,1)` (D) `(-3,-1,-1)`

A

`(-1, 1, 1)

B

(3, -1, 1)

C

(3, 1, -1)

D

(1, -1, -1)

Text Solution

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The correct Answer is:

C

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