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The solution to the ordinary differential equation yห™(t)=โˆ’2y(t),y(0)=1,๐‘ฆห™(๐‘ก)=โˆ’2๐‘ฆ(๐‘ก),๐‘ฆ(0)=1, isy(t)=โˆ’2eโˆ’2t๐‘ฆ(๐‘ก)=โˆ’2๐‘’โˆ’2๐‘กy(t)=2eโˆ’2t๐‘ฆ(๐‘ก)=2๐‘’โˆ’2๐‘กy(t)=eโˆ’2t๐‘ฆ(๐‘ก)=๐‘’โˆ’2๐‘กy(t)=โˆ’eโˆ’2t

Question

The solution to the ordinary differential equation yห™(t)=โˆ’2y(t),y(0)=1,๐‘ฆห™(๐‘ก)=โˆ’2๐‘ฆ(๐‘ก),๐‘ฆ(0)=1, isy(t)=โˆ’2eโˆ’2t๐‘ฆ(๐‘ก)=โˆ’2๐‘’โˆ’2๐‘กy(t)=2eโˆ’2t๐‘ฆ(๐‘ก)=2๐‘’โˆ’2๐‘กy(t)=eโˆ’2t๐‘ฆ(๐‘ก)=๐‘’โˆ’2๐‘กy(t)=โˆ’eโˆ’2t

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Solution

The solution to the ordinary differential equation y'(t) = -2y(t), y(0) = 1, is y(t) = e^(-2t). This is because the given differential equation is a first order linear homogeneous differential equation, and its general solution is given by y(t) = Ce^(rt), where r is the coefficient of y in the differential equation (in this case, -2), and C is a constant determined by the initial condition. Since y(0) = 1, we have C = e^(0) = 1, so the specific solution to the differential equation given the initial condition is y(t) = e^(-2t).

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