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Question

Given n4<10n for a fixed positive integer n2, then (n+1)4<10n+1

A
True
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B
False
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Solution

The correct option is A True
We are given n4<10n
Also for n2, we have
(1+1n)4=(32)4<10
From (1) and (2), we get
n4(1+1n)4<10n.10or(n+1)4<10n+1

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