Let a = i +2 j +3 k , b = i - j +2 k and c =5 i -3 j +3 k be three vectors if r is a vector such that r b = c...

Question

Let a = i +2 j +3 k , b = i - j +2 k and c =5 i -3 j +3 k be three vectors if r is a vector such that r b = c b and r . a =0, then 25| r |^2 is equal to :

Accepted Answer

(D)

JEE Main 2023 Mathematics question

Solution