Home › Bihar Board Class 12 (Commerce) › Mathematics › Application of Derivatives › On [1, 5], the cubic 2x³ − 15x² + 36x + 1 has wh…
On [1, 5], the cubic 2x³ − 15x² + 36x + 1 has what least value?
A29
B28
C24
D56
Answer & Solution
Correct answer: C. 24
Critical points are 2 and 3, and f(1) = 24, f(2) = 29, f(3) = 28, f(5) = 56, so the least is 24.
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