If ^ -1 ( x 2 ) + ^ -1 ( y 2 ) + ^ -1 ( z 2 ) = 2 then xy + yz + zx =

MHT CET 2025 Mathematics question

If then

Answer: (D)

Let , , with . Then , so . Using the addition formula, $ =

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

Question ID VK-101394