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Question

If a, b, c are positive real numbers, then a-1b×b-1c×c-1a is equal to

(a) 1

(b) abc

(c) abc

(d) 1abc

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Solution

We have to find the value of when a, b, c are positive real numbers.

So,

Taking square root as common we get

a-1b×b-1c×c-1a=ba×cb×aca-1b×b-1c×c-1a=1

Hence the correct alternative is .


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