If the vectors a i+ j+ k, i+b j+ k, i+ j+c k, (a b,c 1) are coplanar, then 1 1-a + 1 1-b + 1 1-c has the...

Question

If the vectors a i+ j+ k, i+b j+ k, i+ j+c k, (a b,c 1) are coplanar, then 1 1-a + 1 1-b + 1 1-c has the value _____.

Accepted Answer

(A)

MHT CET 2024 Mathematics question