Q. 255.0( 1 Vote )

# If *a, b, c* are positive real numbers, then is equal to

A. 1

B. *abc*

C.

D.

Answer :

(b/a)^{1/2} × (c/b)^{1/2} × (a/c)^{1/2}

_{= (b/a × c/b × a/c)}^{1/2}

_{= 1}

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