Application of Derivatives Part 1

Section: Mathematics
© examsiri.com
Question : 10 of 100
 
Marks: +1, -0
If (a+√2b‌cos‌x)(a−√2b‌cos‌y) =a2−b2where a>b>0, then
dx
dy
at (
Ï€
4
,
Ï€
4
)
is :
[4 Sep 2020 Shift 1]
Go to Question: