Question

answer only if you know it:
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Answer 1

Answer:

Step-by-step explanation:

$\sqrt{x^{-1}y } * \sqrt{y^{-1}z } * \sqrt{z^{-1} x }$  = 1

squaring Both the sides

or $x^{-1}y*y^{-1}z * z^{-1}x=1$

we know $n^{-1}=\frac{1}{n}$

$\frac{1}{x}*y*\frac{1}{y}*z*\frac{1}{z}*x=1$

Now cancel all x,y and Z

then 1=1 Proved