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If a, b,c are positive integers how many solutions are there for a!b!=a!+b!+2^c?

Note by Indulal Gopal 4 years ago

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sorry 2 sol if a=3,b=2,c=2 and a=2,b=3,c=2

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exactly.

1 solution,a=b=2

C is there. Any way not a=b=2

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TopNewestsorry 2 sol if a=3,b=2,c=2 and a=2,b=3,c=2

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exactly.

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1 solution,a=b=2

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C is there. Any way not a=b=2

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