Let a = 2i - j + k, b = I + 2j - k and c = I + j - 2k be three vectors. A vector in the plane of b and c whose projection on a is of magnitude `sqrt(2//3)` is

Let a=2i−j+k , b=i+2j−k and c=i+j−2k be three vectors. A vector r in the plane of b and c whose projection on a is of magnitude sqrt(2/3) ​ ​ is

Let vec a = 2i-j+k, vec b = i+2j-k and vec c = i+j-2k be three vectors. A vector in the plane of vec b and vec c whose projection on vec a is of magnitude sqrt(2/3) is

Let a=2i−j+k,b=i+2j−k and c=i+j−2k be three vectors. A vector in the plane of b and c whose projection on a is of magnitude (sqrt3/2) ​ ​ is

Let vec a=2 hat i- hat j+ hat k , vec b= hat i+2 hat j= hat ka n d vec c= hat i+ hat j-2 hat k be three vectors. A vector in the plane of vec ba n d vec c , whose projection on vec a is of magnitude sqrt(2//3) , is a. 2 hat i+3 hat j-3 hat k b. 2 hat i-3 hat j+3 hat k c. -2 hat i- hat j+5 hat k d. 2 hat i+ hat j+5 hat k

Let vec a=2 hat i- hat j+ hat k , vec b= hat i+2 hat j= hat ka n d vec c= hat i+ hat j-2 hat k be three vectors. A vector in the plane of vec ba n d vec c , whose projection on vec a is of magnitude sqrt(2//3) , is a. 2 hat i+3 hat j-3 hat k b. 2 hat i-3 hat j+3 hat k c. -2 hat i- hat j+5 hat k d. 2 hat i+ hat j+5 hat k

Let vec a=2 hat i- hat j+ hat k , vec b= hat i+2 hat j= hat ka n d vec c= hat i+ hat j-2 hat k be three vectors. A vector in the plane of vec ba n d vec c , whose projection on vec a is of magnitude sqrt(2//3) , is a. 2 hat i+3 hat j-3 hat k b. 2 hat i-3 hat j+3 hat k c. -2 hat i- hat j+5 hat k d. 2 hat i+ hat j+5 hat k