! Y1 (x) y Y2(x), Let be solutions of the linear differential equation with constant coefficients y" + 8y' + by =0 such that the Wronskian W (y1, Y2) = 16enz then it is possible that: a) y1(x) = e' -12z =e=1? Y2(x) = ze4z b) y1(x) = e-12= y y2(x) = e4z c) y1(x) = e12z y 32(z) = e4z d) y1(x) = e-24z *y 32(x) = e&z

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