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2 2x -2x x coty-1=0 y’(1)??

22x-2xxcoty-1=0    y’(1)??

Grade:12

2 Answers

grenade
2061 Points
6 years ago
here initially put x = 1 and transfer the value containing x to the other side
then take cot inverse
let assume the inner value of inverse as t
use chain rule and diffrentiate y
after all that substitute the value of t
 i will tell u the answer little later
till then u try
approve if useful 
grenade
2061 Points
6 years ago
the answer comes to be a very little -1

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