Question: Characteristic Function is define as X_s (x) = {1 x element S 0 x element S Show that a) x_A^c = 1 - X_A b)

$Characteristic Function is define as X_s (x) = {1 x element$

Characteristic Function is define as X_s (x) = {1 x element S 0 x element S Show that a) x_A^c = 1 - X_A b) X_A union B = X_A + X_B - X_A intersection B

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