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Question

The integral value of x, that satisfies 1<log2(x2)2, is

A
2
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B
3
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C
4
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D
5
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Solution

The correct option is D 5
For log to be defined,
x2>0x>2

Now, 1<log2(x2)2
21<x222
x(4,6]
x=5 or x=6

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