Question

differentiation of 2πr​

Answer 1

Since 2π is constant with respect to r , the derivative of 2πr 2 π r with respect to r is 2πddr[r] 2 π d d r [ r ] . Differentiate using the Power Rule which states that ddr[rn] d d r [ r n ] is nrn−1 n r n - 1 where n=1 . Multiply 2 by 1 .

Answer 2

Answer:

Since 2π is constant with respect to r , the derivative of 2πr 2 π r with respect to r is 2πddr[r] 2 π d d r [ r ] . Differentiate using the Power Rule which states that ddr[rn] d d r [ r n ] is nrn−1 n r n - 1 where n=1 . Multiply 2 by 1 .