If (p2 + q2)/(r2 + s2) = (pq)/(rs), then what is the value of (p - q)/ – McqOptions

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1.	If (p2 + q2)/(r2 + s2) = (pq)/(rs), then what is the value of (p - q)/(p + q) in terms of r and s?
A.	(r + s)/(r - s)
B.	(r - s)/(r + s)
C.	(r + s)/(rs)
D.	(rs)/(r - s)
Answer» C. (r + s)/(rs)

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