If f is a function and x is a variable then dx means that you should express f with respect to an input x, so if A is the area of a a circle then what is dA? since A = pir^2 you have that dA = 2pirdr since A =…
If f is a function and x is a variable then dx means that you should express f with respect to an input x, so if A is the area of a a circle then what is dA? since A = pir^2 you have that dA = 2pirdr since A =…