If ax = by = cz and b2 = ac, then what is \(\frac{1}{x} + \frac{1}{z}\ – McqOptions

MCQOPTIONS

1.	If ax = by = cz and b2 = ac, then what is \(\frac{1}{x} + \frac{1}{z}\) equal to?
A.	\(\frac{1}{y}\)
B.	\(- \frac{1}{y}\)
C.	\(\frac{2}{y}\)
D.	\(- \frac{2}{y}\)
Answer» D. \(- \frac{2}{y}\)

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