Let ri =-2, r2 = 0 be the roots of the indicial equation at æo = 0 of the D.E. ay" +3y - 3y = 0. If y is the solution corresponding to r = 0, then a %3D second linearly independent solution can be writ- ten as y2 = !!

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.