f(x)=x^2-3x F(x)=1/3 * x^3 - 3/2 * x^2 + C a) F(0)= 0 + C = -1 => C=-1 b) F(2)= 0 => 1/3* 2^3 - 3/2 * 2^2 + C = 0 => 8/3 - 12/2 + C = 0 => C = 12/2 - 8/3 = 18/3 - 8/3 = 10/3
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