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22-03-2020
Mathematics

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Prove that 7^7−7^6 is divisible by 6.

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22-03-2020

Answer:

see below

Step-by-step explanation:

7^7−7^6

Factor out 7^6

7^6 (7-1)

7^6 *6

This has a factor of 6 so it is divisible by 6

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