If , , are the roots of x^3+2x^2-3x-1=0, then ^ -2 + ^ -2 + ^ -2 is equal to

JEE Main Mathematics question

If are the roots of , then is equal to

Answer: (B)

, and

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

Question ID VK-013446