If vmatrix a+x & a-x & a-x a-x & a+x & a-x a-x & a-x & a+x vmatrix =0 then x is

JEE Advanced Mathematics question

then is

Answer: (A),(C)

Apply . Each entry of becomes ; take it out:

Δ=(3a-x) {→ -,\ →

Create a free account to read the complete working (3 steps), and practise questions like this in a timed test.

Question ID VK-108295