I would say b
hope it helped!
Answer:
Alex goes to the shop and buys 4 times a number bananas (X). When he counts how many bananas he has he counts 48. How much is the number x?
Answer:I think its C but Im not sure
Step-by-step explanation: SMILE MORE!!! :D
(a) We want to find a scalar function
such that
. This means


Looking at the first equation, integrating both sides with respect to
gives

Differentiating both sides of this with respect to
gives

Then the potential function is

(b) By the FTCoLI, we have



Here you go hopefully this helps you