JEE Main 2020 — Application Of Derivatives Question with Solution
From: JEE Main 2020 (Online) 4th September Morning Slot
Question
Let f be a twice differentiable function on (1, 6). If f(2) = 8, f’(2) = 5, f’(x) 1 and f''(x) 4, for all x (1, 6), then :
Choose an option
Show full solutionCorrect option: B
Correct answer
Bf(5) + f'(5) 28
Step-by-step explanation
Given,
...(1)
Also,
...(2)
From (1) and (2),
...(1)
Also,
...(2)
From (1) and (2),
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