can someone explain y we times 2 in first line kinda ded so dk y sols did that (1 Viewer)

cossine

Well-Known Member
Joined
Jul 24, 2020
Messages
583
Gender
Male
HSC
2017
Most likely coming from chain rule. Whenever the thing you are taking derivative of is not in the proper chain rule is required.

In this case let u = tan^-1(x/3)

To keep things simple try finding first d/dx (tan^-1(x/3)) use a online differentiation calculator if need be.
 

VictorTango-9W

New Member
Joined
Jun 28, 2022
Messages
23
Gender
Male
HSC
2022
Most likely coming from chain rule. Whenever the thing you are taking derivative of is not in the proper chain rule is required.

In this case let u = tan^-1(x/3)

To keep things simple try finding first d/dx (tan^-1(x/3)) use a online differentiation calculator if need be.
Aight thanks bro
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top