Prove that 7^7−7^6 is divisible by 6.
1 answer:
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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Answer:
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Step-by-step explanation:
Subtitue x=3 into the second equation
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