Answer the questions and provide complete solution
1.5) Find the largest constant r so that phi(x) = e^rz is a solution to third derivative of y minus 2 times second derivative of y plus 2y = 0.
1.6) Find the smallest constant rso that phi(x) = x^r is a solution to (3)(x^2)(second derivative of y) + (11)(x)(first derivative of y) - 3y = 0, x > 0.
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Expert's answer
2020-05-28T19:38:51-0400
1.5) Differential equation is y′′′−2y′′+2y=0 and ϕ(x)=erx is solution of this differential equation, hence ϕ(x) holds the differential equation.
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