Let f(x) = x^2 + 1 [x] , 1 x 3.9. [ ] denotes the greatest integer function. Then

JEE Advanced Mathematics question

Let , . denotes the greatest integer function. Then

Answer: (C),(D)

f(x) =

In each piece , so increases within each piece: - : ; - : ; - : $ f(x) {3. +

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Question ID VK-109448