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Solve the Differential Equation x2yttxyt+y=23xlnx given that y1=9x and x ^ { 2 } y ^ { tt } - x y ^ { t } + y = 23 x \ln x \text { given that } y _ { 1 } = 9 x \text { and }

Question 25

Multiple Choice

Solve the differential equation x2yttxyt+y=23xlnx given that y1=9x and x ^ { 2 } y ^ { tt } - x y ^ { t } + y = 23 x \ln x \text { given that } y _ { 1 } = 9 x \text { and } y2=9xlnxy _ { 2 } = 9 x \ln x are solutions of the corresponding homogeneous equation.


A)
y=C19x+C29xlnx2345x(lnx) 4y = C _ { 1 } 9 x + C _ { 2 } 9 x \ln x - \frac { 23 } { 45 } x ( \ln x ) ^ { 4 }
B)
y=C19x+C29xlnx2363x(lnx) 4y = C _ { 1 } 9 x + C _ { 2 } 9 x \ln x - \frac { 23 } { 63 } x ( \ln x ) ^ { 4 }
C)
y=C19x+C29xlnx+2390x(lnx) 2y = C _ { 1 } 9 x + C _ { 2 } 9 x \ln x + \frac { 23 } { 90 } x ( \ln x ) ^ { 2 }
D)
y=C19x+C29xlnx+2372x(lnx) 2y = C _ { 1 } 9 x + C _ { 2 } 9 x \ln x + \frac { 23 } { 72 } x ( \ln x ) ^ { 2 }
E)
y=C1x+C2xlnx+236x(lnx) 3y = C _ { 1 } x + C _ { 2 } x \ln x + \frac { 23 } { 6 } x ( \ln x ) ^ { 3 }

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