Question

For all x , y belonging to Real Numbers {R} , find the range of :

$\frac{(x + y)(1 - xy)}{(1 + {x}^{2})(1 + {y}^{2} ) } \: .$

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Answer 1

Answer:

Required range is [ -1/2,1/2 ].

✔️Hope it will help you.✔️

Answer 2

Answer:

Step-by-step explanation:

Attachment ✔️