Question
If `x = y^a, y = z^b and z = x^c` then find the value of abc.
Answer: Option A
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Sol . `z^1 = x^c = (y^a)^c because [ x = y^a]`
= ` y^(ac) = (z^b)^(ac) because [ y = z^b]`
= `z^(b(ac)) = z^(abc)`
`:.` abc = 1.
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