Let the position vectors of the points A, B, C and D be 5 i +5 j +2 k , i +2 j +3 k , -2 i + j +4 k and - i...

Question

Let the position vectors of the points A, B, C and D be 5 i +5 j +2 k , i +2 j +3 k , -2 i + j +4 k and - i +5 j +6 k . Let the set S = R : the points A, B, C and D are coplanar . Then _ S ( +2)^2 is equal to-

Accepted Answer

(D)

JEE Main 2023 Mathematics question

Solution