Let S be the set of all ( , ) for which the vectors i - j + k , i +2 j + k and 3 i -4 j +5 k , where - = 5,...

Question

Let S be the set of all ( , ) for which the vectors i - j + k , i +2 j + k and 3 i -4 j +5 k , where - = 5, are coplanar, then _ ( , ) S 80( ^2+ ^2) is equal to-

Accepted Answer

(C)

JEE Main 2023 Mathematics question

Solution