f(x)= - (x IxI )/ (1+x2), then f-1(x) equals? Why?
f(x)= - (x IxI )/ (1+x2), then f-1(x) equals? Why?
Aditi Bhatnagar , 14 Years ago
Grade 12th Pass
Differential Calculus> Inverse...
1 Answers
Arun Kumar
Hello
when x is +
y=-x^2/(1+x^2)
=>y+1=1/1+x^2
=>x^2=-y/1+y
similarly when x is -
x^2=y/1-y
Thanks & Regards
Arun Kumar
Btech IIT delhi
Askiitians Faculty
Arun Kumar
Btech IIT delhi
Askiitians Faculty
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