What angels? You need to show a picture :)
Given:
Consider the given function:
To prove:
Solution:
We have,
Substituting , we get
Substituting , we get
Substituting , we get
Using the algebraic formula, we get
[Commutative property of addition]
Now,
Hence proved.
By the chain rule,
When
, we get
, so at this point the partial derivative of
with respect to
takes on a value of
Answer:
-0.125
Step-by-step explanation: