NDA Math Differentiation

Show Para  Hide Para 
For the next three (3) items that follow :
x=
a(1−t2)
1+t2
,y=
2at
1+t2
[NDA I 2015]
© examsiri.com
Question : 53 of 64
 
Marks: +1, -0
What is
dy
dx
equal to ?
[NDA I 2015]
Go to Question: