SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Algebra Identities

यदि x + y + z = 0 है, तो \(\rm\frac{1}{x^2 + y^2− z^2}+\frac{1}{y^2 + z^2− x^2}+\frac{1}{z^2 + x^2− y^2}\) का मान क्या है?

1
\(\rm\frac{1}{x^2 + y^2 + z^2}\)
2
1
3
−1
4
0
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