a) If f(t) = cos(3t) , Find L[ f"(t) ] b) Find Laplace Transform for following function: d?y dy +2y =0 2- dt y (0)= 1 , y'(0) = dt2

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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.