1.

If $$x \ne 0,$$$$y \ne 0$$and $$z \ne 0$$and $$\frac{1}{{{x^2}}}$$+ $$\frac{1}{{{y^2}}}$$+ $$\frac{1}{{{z^2}}}$$= $$\frac{1}{{xy}}$$+ $$\frac{1}{{yz}}$$+ $$\frac{1}{{zx}}$$then the relation among x, y, z is?

A. + y + y = 0
B. + y = z
C. $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = 0$$
D. = y = z
Answer» E.


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