1.

If bar(OP)=2bar(i)+3bar(j)-bar(k), bar(OQ)=3bar(i)-4bar(j)+2bar(k) then d.c's of bar(PQ) are

Answer»

`1/sqrt(59)(-1, 7, 3)`
`1/sqrt(59)(1, -7, 3)`
`1/sqrt(59)(1, 7, -3)`
`1/sqrt(59)(1, -7, -3)`

Answer :B


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