1.

The vector in the direction of the vector vec(a)=bar(i)-2bar(j)+2bar(k) that has magnitude 9 is ……..

Answer»

`bar(i)-2BAR(J)+2bar(k)`
`(bar(i)-2bar(j)+2bar(k))/(3)`
`3(bar(i)-2bar(j)+2bar(k))`
`9(bar(i)-2bar(j)+2bar(k))`

Answer :C


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