- #1

carstensentyl

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**1.**

(a) Write a formula for the number in terms of the perimeter L and the area A of a circle.

(b) Write the differential for your answer in part (a).

(c) Suppose that L and A are determined experimentally. Write the resulting relative error in using your answer in part (b).

**3.**

a)pi(A,L)=[tex]\frac{L^{2}}{4A}[/tex]

b)dpi=[tex]\frac{L}{2A}[/tex]dL-[tex]\frac{L^{2}}{4A^{2}}[/tex]dA

c)

I've tried several different values for part c, but can't seem to find a convincing answer. I know that the equation begins with dpi/pi and each part has some value with a coefficient of dL/L + dA/A