Prove Theorem 6.33(b). Let S be the solution space of y'' + ay' + by = 0
Question:
Prove Theorem 6.33(b).
Let S be the solution space of
y'' + ay' + by = 0
and let λ1 and λ2 be the roots of the characteristic equation λ2 + aλ + b = 0.
b. If λ1 = λ2, {eλ1t, eλ2t}then is a basis for S.
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