Homogeneous 2nd Order Differential Equations

Homogeneous 2nd Order Differential Equations

University

10 Qs

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Homogeneous 2nd Order Differential Equations

Homogeneous 2nd Order Differential Equations

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

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norasrani ramli

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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  y"2y+y=0y"-2y'+y=0  

 y=C1ex+C2xexy=C_1e^x+C_2xe^x  

 y=C1ex+C2exy=C_1e^x+C_2e^x  

 y=ex(C1cosx+C2sinx)y=e^x\left(C_1\cos x+C_2\sin x\right)  

 y=C1ex+C2xexy=C_1e^x+C_2xe^{-x}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  y"+5y+6y=0y"+5y'+6y=0  

 y=C1e3x+C2xe2xy=C_1e^{-3x}+C_2xe^{-2x}  

 y=C1e3x+C2e2xy=C_1e^{-3x}+C_2e^{-2x}  

 y=e3x(C1cos2x+C2sin2x)y=e^{-3x}\left(C_1\cos2x+C_2\sin2x\right)  

 y=C1e3x+C2e2xy=C_1e^{3x}+C_2e^{-2x}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  y"2y+5y=0y"-2y'+5y=0  

 y=C1ex+C2xe2xy=C_1e^x+C_2xe^{2x}  

 y=C1ex+C2e2xy=C_1e^x+C_2e^{2x}  

 y=C1excos2x+C2exsin2xy=C_1e^x\cos2x+C_2e^x\sin2x  

 y=C1e2xcosx+C2e2xsinxy=C_1e^{2x}\cos x+C_2e^{2x}\sin x  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  9y"+6y+y=09y"+6y'+y=0  

 y=C1ex3+C2xex3y=C_1e^{-\frac{x}{3}}+C_2xe^{-\frac{x}{3}}  

 y=C1ex3+C2ex3y=C_1e^{-\frac{x}{3}}+C_2e^{-\frac{x}{3}}  

 y=ex3(C1cosx+C2sinx)y=e^{-\frac{x}{3}}\left(C_1\cos x+C_2\sin x\right)  

 y=ex(C1cosx3+C2sinx3)y=e^x\left(C_1\cos\frac{x}{3}+C_2\sin\frac{x}{3}\right)  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  4y"4y+y=04y"-4y'+y=0  

 y=C1ex2+C2xex2y=C_1e^{\frac{x}{2}}+C_2xe^{\frac{x}{2}}  

 y=C1ex2+C2xex2y=C_1e^{\frac{x}{2}}+C_2xe^{-\frac{x}{2}}  

 y=ex3(C1cosx+C2sinx)y=e^{-\frac{x}{3}}\left(C_1\cos x+C_2\sin x\right)  

 y=C1ex2+C2ex2y=C_1e^{\frac{x}{2}}+C_2e^{\frac{x}{2}}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  4y"+12y+9y=04y"+12y'+9y=0  

 y=C1e32x+C2xe32xy=C_1e^{-\frac{3}{2}x}+C_2xe^{-\frac{3}{2}x}  

 y=C1e32+C2xe32y=C_1e^{-\frac{3}{2}}+C_2xe^{-\frac{3}{2}}  

 y=e32x(C1cos32x+C2sin32x)y=e^{-\frac{3}{2}x}\left(C_1\cos\frac{3}{2}x+C_2\sin\frac{3}{2}x\right)  

 C1e32x+C2e32xC_1e^{-\frac{3}{2}x}+C_2e^{-\frac{3}{2}x}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Determine the general solution of  25y"20y+4y=025y"-20y'+4y=0  

 y=C1e25x+C2e25xy=C_1e^{\frac{2}{5}x}+C_2e^{\frac{2}{5}x}  

 y=C1e25x+C2xe25xy=C_1e^{\frac{2}{5}x}+C_2xe^{-\frac{2}{5}x}  

 y=e25x(C1cosx+C2sinx)y=e^{\frac{2}{5}x}\left(C_1\cos x+C_2\sin x\right)  

 C1e25x+C2xe25xC_1e^{\frac{2}{5}x}+C_2xe^{\frac{2}{5}x}  

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