Differentiate each of the following w.r.t x:
If 
, show that 
.
Given: Value of 
To Prove: 
The formula used: (i) 
(ii) 
We have, 
Putting x = tanθ
θ = tan-1x
Dividing numerator and denominator with a
⇒ 4tan-1x
Now Differentiating
1
Differentiate each of the following w.r.t x:
If , show that .
Given: Value of
To Prove:
The formula used: (i)
(ii)
We have,
Putting x = tanθ
θ = tan-1x
Dividing numerator and denominator with a
⇒ 4tan-1x
Now Differentiating