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If vecp = hati + hatj, vecq = 4hatk - ha...

If `vecp = hati + hatj, vecq = 4hatk - hatj " and " vecr =hati + hatk ` , then the unit vector in the direction of `3vecp+ vecq - 2vecr` is

A

`1/3( hati + 2 hatj + 2hatk )`

B

`1/3 (hati - 2hatj - 2hatk)`

C

`1/3 (hati - 2hatj + 3hatk)`

D

`hati + 2hatj + 2hatk `

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IPUCET PREVIOUS YEAR PAPERS-GGSIPU MATHEMATICS 2007-MCQ
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  2. Find the inverse of 5 under multiplication modulo 11 on Z(11) .

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