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

Let `veca=hati+ hatj` and `vecb = 2hati-hatk `. The point of intersection of the lines `vecrxxveca= vecbxxveca` and `vecrxxvecb=vecaxxvecb` is

A

(a) `(3, -1,1)`

B

(b) `(3, 1, -1)`

C

(c) `(-3, 1, 1)`

D

(d) `(-3, -1, -1)`

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The correct Answer is:

(b)

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