0 votes 0 votes The equation $P(x) = \alpha$ where $P(x) = x^4 + 4x^3 – 2x^2 – 12x$ has four distinct real roots if and only if $P(-3) < \alpha$ $P(-1) > \alpha$ $P(-1) < \alpha$ $P(-3) < \alpha < P(-1)$ jjayantamahata asked Apr 14, 2018 edited May 7, 2021 by Shiva Sagar Rao jjayantamahata 146 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes (B) and (D) satisfies both but (D) is more accurate. jjayantamahata answered Apr 14, 2018 jjayantamahata comment Share Follow See all 0 reply Please log in or register to add a comment.