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Solve the Differential Equation Using the Method of Undetermined Coefficients y+5y+6y=x2y ^ { \prime \prime } + 5 y ^ { \prime } + 6 y = x ^ { 2 }

Question 59

Multiple Choice

Solve the differential equation using the method of undetermined coefficients. y+5y+6y=x2y ^ { \prime \prime } + 5 y ^ { \prime } + 6 y = x ^ { 2 }


A) y(x) =c1e2x+c2e3xy ( x ) = c _ { 1 } e ^ { - 2 x } + c _ { 2 } e ^ { - 3 x }
B) y(x) =16x2518x+19108y ( x ) = \frac { 1 } { 6 } x ^ { 2 } - \frac { 5 } { 18 } x + \frac { 19 } { 108 }
C) y(x) =c1e2x+c2e3x+16x2y ( x ) = c _ { 1 } e ^ { - 2 x } + c _ { 2 } e ^ { - 3 x } + \frac { 1 } { 6 } x ^ { 2 }
D) y(x) =c1e2x+c2e3x+16x2518x+19108y ( x ) = c _ { 1 } e ^ { - 2 x } + c _ { 2 } e ^ { - 3 x } + \frac { 1 } { 6 } x ^ { 2 } - \frac { 5 } { 18 } x + \frac { 19 } { 108 }
E) y(x) =c1e2x+c2e3x+9108c3y ( x ) = c _ { 1 } e ^ { - 2 x } + c _ { 2 } e ^ { - 3 x } + \frac { 9 } { 108 } c _ { 3 }

Correct Answer:

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