If x^{2 a}=y^{2 b}=z^{2 c} \neq 0 and x^2=y z, then the value of \frac{a b+b c+c a}{b c} is:

SSC CGL 3 Mar 2020 Shift 1 Paper

Question : 67 of 76

Marks: +1, -0

x^{2 a}=y^{2 b}=z^{2 c} ≠ 0

and

x^2=y z

, then the value of

\;{a b+b c+c a}/{b c}

is:

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