If a vector `vec r` satisfies the equation `vec r × (vec i + 2 vec j + vec k ) = vec i − vec k` , then `vec r` is

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Q 2219667510.     If a vector `vec r` satisfies the equation
`vec r × (vec i + 2 vec j + vec k ) = vec i − vec k` , then `vec r`
is equal to :
A

`vec i + (t + 3) vec j + vec k`

B

`vec j + t (vec i + 2 vec j → vec k )`

C

`2 vec i + 7 vec j + 3 vec k`

D

`2 vec i + 3 vec j + vec k`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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