If and are co-planar, then the sum of all possible values of is:
Explanation for correct option:
Step-1: Apply condition for four points are co-planer.
Let the given points,
Given four points are and .
We know that, four points are co-planer iff
Step-2: Solve determinant by sarrus rule.
Step-3: Use formula for sum of roots of quadratic equation .
Sum of all value of is
Hence, correct answer is option