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

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

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