Show that dri dt = r2 dr2 r₁ dt. If r₁(t) = t², what is when A₁ = 4A₂? dr2 dt

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Two circles, C1 and C2, are drawn such that the area of the first, A1, exceeds the area of the second, A2, by 9π cm2.

A.Write down an equation for the radius of the second circle, r2, in terms of the radius of the first circle, r1.

b and c in image.

 

Show that dri
r2 dr2
r₁ dt.
=
dt
dr₂
5 If r₁(t) = t², what is de when A₁ = 4A₂?
dt
Transcribed Image Text:Show that dri r2 dr2 r₁ dt. = dt dr₂ 5 If r₁(t) = t², what is de when A₁ = 4A₂? dt
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