other govt exam CBSE Junior Assistant Mock Test 2025 Quantitative Aptitude Algebra Identities

If (p2 + q2)/(r2 + s2) = (pq)/(rs), then what is the value of (p - q)/(p + q) in terms of r and s?

1
(r + s)/(r - s)
2
(r - s)/(r + s)
3
(r + s)/(rs)
4
(rs)/(r - s)
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