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Lady_Fox [76]
2 years ago
15

Verify that y1(t) =t2 and y2(t) =t−1 are two solutions of the differential equation t2y−2y=0 for t > 0.Then show that y=c1t2

+c2t−1 is also a solution of this equation for any c1 and c2.
Mathematics
1 answer:
SIZIF [17.4K]2 years ago
3 0

Answer:

Step-by-step explanation:

Consider first

y_1(t) = t^2\\

We differentiate this two times to get

y_1'(t) = 2t\\y_1"(t) =2

Substitute in the given equation

t^2 (2) -2(t^2 =0

Hence satisfied

Consider II equation

y_2(t) = t^{-1} \\y_2'(t) = - t^{-2}\\y_2"(t) = -2 t^{-3}

Substitute in the given equation to get

t^2 (-2 t^{-3})+2 t^{-1} = 0

Hence satisfied

Together if we have

y = c_1 t^2 +c_2  t^{-1}

being linear combination of two solutions

automatically this also will satisfiy the DE Or

this is a solution to the given DE

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