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1. x-1y.y-1z.z-1.x

  • A. 0
  • B. 0
  • C. 0
  • D. 0

Answer: Option B

Explanation:

√(x^-1)y. √(y^-1)z. √(z^-1)x

= √(y/x). √(z/y). √(x/z)

= √y/√x. √z/√y. √x/√z

=1

(ans)

 


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