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what is f(x) equal to and what is the range of the function??

what is f(x) equal to and what is the range of the function??
 

Question Image
Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
4 years ago
Hii

The answer to the question is option D as in denominator It can’t have value of x = 1 which is not included in domain too.

tan−1 x - tan−1 y = tan−1 (x−y/
1+xy))

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