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In each paragraph 3 multiple choice questions have to be answered. Each question has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
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