Question

Consider the polynomial f(x) = 1 + 2x + 3x2 + 4x3. Let s be the sum of all distinct real roots of f(x) and let t =|s|

The area bounded by the curve y = f(x) and the lines x = 0, y = 0 and x = t, lies in the interval


A)



B)



C)



D)







explain elaborately

Answer 1

a is the carroct answer