2X - 1 dX 19. di = (x - 1(1 – 2X); In ) =1 20. 2xy dx + (x - y) dy = 0; -2xy + y = 1 In Problems 21-24 verify that the indicated family of func- tions is a solution of the given differential equation. Assume an appropriate interval I of definition for each solution. dP P(1 - P); P dt 1+ c,e dy 22 + 2ry = 1; y = e* e dt + dx Jo d'y 23 dy 4 + 4y = 0; y = ce + czxe²* dx dx d'y 24. x * 2 dy dx dy - x +y = 12x; y = cr + cx + cx In x + 4x 25. Verify that the piecewise-defined function S-r. x<0 x, x20 is a solution of the differential equation xy' – 2y = 0 on (-x, 0). 26. In Example 3 we saw that y = (x) = V25 - x and
2X - 1 dX 19. di = (x - 1(1 – 2X); In ) =1 20. 2xy dx + (x - y) dy = 0; -2xy + y = 1 In Problems 21-24 verify that the indicated family of func- tions is a solution of the given differential equation. Assume an appropriate interval I of definition for each solution. dP P(1 - P); P dt 1+ c,e dy 22 + 2ry = 1; y = e* e dt + dx Jo d'y 23 dy 4 + 4y = 0; y = ce + czxe²* dx dx d'y 24. x * 2 dy dx dy - x +y = 12x; y = cr + cx + cx In x + 4x 25. Verify that the piecewise-defined function S-r. x<0 x, x20 is a solution of the differential equation xy' – 2y = 0 on (-x, 0). 26. In Example 3 we saw that y = (x) = V25 - x and
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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