Find a general solution to the non-homogenous Cauchy-Euler equation.
x^2y'' + 5xy' + 4y = x^(-5)
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6. Find the following:
A.
f(x,y)=2x^2y+5xy^2 â7x^2 +4y^2 +3xâ7
Find fyy,
B.
f(x,y)=2x^3 +6x^2y+3y^2 +2x.