For how many integral values of k, the equation x^2-4x+k=0, where k is an integer has real roots and both of them lie in the interval (0, 5)?

NDA 2023 Mathematics question

For how many integral values of , the equation , where is an integer has real roots and both of them lie in the interval ?

Answer: (B)

The roots are . Real roots need . The larger root needs , and the

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Question ID VK-029548