If x, y, z are natural numbers such that...

If x, y, z are natural numbers such that `cot^(-1) x + cot^(-1)y= cot^(-1) z` then the number of ordered triplets (x, y, z) that satisfy the equation is a)0 b)1 c)2 d)infinite solutions

A

0

B

1

C

2

D

infinite solutions

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The correct Answer is:

D

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