The function f is homogeneous of degree n if f(tx,ty)=t^(n)f(x,y). Determine the degree of the homogeneous function, and show that xf_(x)(x,y)+ yf_(y)(x,y)=nf(x,y).
f(x,y)=(x^(2))/(\sqrt(x^(2)+y^(2)))
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