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Fundamental Principle of Counting

If 'n' is a...

Question

If $^{'} n^{'}$ is a natural number, then what would be the number in unit place of $6^{n} - 5^{n}$ ?

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Solution

Unit place of $6^{n} = 6$

Unit place of $5^{n} = 5$

$∴$ Limit place of $6^{n} - 5^{n} = 6 - 5 = 1$

Hence, the answer is $1.$

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