Register To Attempt Complete Test
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 function f'(x) is