JEE Advanced Model Paper 17 with solutions for online practice

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Question : 47 of 60

Marks: +1, -0

Let y = f (x) be a continuous and twice differentiable function such that f (1) = f (3) = f (5) = 0

2 f (x) = f' (x) has at least 2 real roots
2 f (x) = f' (x) has at least 1 real root
f'' (x) - 4 f' (x) + 4 f (x) = 0 has a real root
f'' (x) = 0 has a real root

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