- #1
tomc612
- 17
- 0
Hi,
Ive got a problem I need some help with
View attachment 6076
Ive got sections a, b, c
a) d = \sqrt{{x}^{2}+{R}^{2}}
b) cos\theta = x/\sqrt{{x}^{2}+{R}^{2}}
c) I = 1/{x}^{2}+{R}^{2}
d) x>0
My question is how do i differentiate for I from answer in c) and find 0 and then maximise from there
Ive got a problem I need some help with
View attachment 6076
Ive got sections a, b, c
a) d = \sqrt{{x}^{2}+{R}^{2}}
b) cos\theta = x/\sqrt{{x}^{2}+{R}^{2}}
c) I = 1/{x}^{2}+{R}^{2}
d) x>0
My question is how do i differentiate for I from answer in c) and find 0 and then maximise from there