Question
`(x^a/x^b)^(a + b)` . ` (x^b/x^c)^(b + c)` .`(x^c/x^a)^(c + a)` = ?
Answer: Option D
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Given Exp. `x^((a - b) (a + b))` .`x^((b - c) (b + c))` .`x^((c - a) (c + a))`
= `x^((a^2 - b^2))`. `x^((b^2 - c^2))`.`x^((c^2 - a^2))`
=`x^((a^2 - b^2 + b^2 -c^2 + c^2 - a^2))` =`x^0` = 1.
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