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CGP EDU Academic Team
Published on: August 12, 2026
Let f(x) = x 3 + bx 2 + cx +d ; 0 < b 2 < c then f(x) :
Text Solution
Verified by ExpertsThe correct answer is:
A
f(x) = x 3 + bx 2 + cx + d
= 3x 2 + 2bx + c
D = 4b 2 – 4 × 3 × c = 4(b 2 – 3c ), b 2 < c = – ve
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