Let the linear differential operator L be defined byL[y] = a0y(n) + a1y(n1) ++ any,where a0, a1, ... , an are real constants.(a) Find L[tn].(b) Find L[ert].(c) Determine four solutions of the equation y(4) 5y + 4y = 0. Do you think the foursolutions form a fundamental set of solutions? Why?

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