1. For which of the following does its graph lie both above and below the x-axis? (2002 UEE)
(A) f(x) = (x + 1)²(2 – x)²
(B) f(x) = –(x + 2)²(x – 1)²
(C) f(x) = (x² + 1)(x – 1)²
(D) f(x) = (x + 1)²(x² – 1)
https://t.me/quiz_time11
https://t.me/quiz_time11
(A) f(x) = (x + 1)²(2 – x)²
(B) f(x) = –(x + 2)²(x – 1)²
(C) f(x) = (x² + 1)(x – 1)²
(D) f(x) = (x + 1)²(x² – 1)
https://t.me/quiz_time11
https://t.me/quiz_time11