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

x, y and z are three natural numbers such that x2 + 2xy + y2 = 100, y2 + 2yz + z2 = 256 and x2 + y2 + z2 + 2xy + 2yz + 2zx = 400. Then, the value of yz - x is:

1
56
2
54
3
36 
4
34
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