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12 Nov 2019
(4) Match the following differential equations with their solutions.
The symbols A , B , C in the solutions stand for arbitrary constants.
You must get all of the answers correct to receive credit.
1. d^2y/dx^2+81y=0
2. dy/dx=(-2xy)/(x^2-9y^2)
3. d^2y/dx^2+16(dy/dx)+64y=0
4. dy/dx=18xy
5. dy/dx+24x^2y=24x^2
A. y=Acos(9x)+Bsin(9x)
B. 3yx^2-9y^3=C
C. y=Ae^9x^2
D. y=Ce^-8x^3+1
E. y=Ae^-8x+Bxe^-8x
(4) Match the following differential equations with their solutions.
The symbols A , B , C in the solutions stand for arbitrary constants.
You must get all of the answers correct to receive credit.
1. d^2y/dx^2+81y=0
2. dy/dx=(-2xy)/(x^2-9y^2)
3. d^2y/dx^2+16(dy/dx)+64y=0
4. dy/dx=18xy
5. dy/dx+24x^2y=24x^2
A. y=Acos(9x)+Bsin(9x)
B. 3yx^2-9y^3=C
C. y=Ae^9x^2
D. y=Ce^-8x^3+1
E. y=Ae^-8x+Bxe^-8x
Beverley SmithLv2
27 Mar 2019
