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How many years did Diophantus live?

<p>Diophantus was a Greek mathematician who lived in the third century. He was one of the first mathematicians to use algebraic symbols. Most of what is known about Diophantus's life comes from an algebraic riddle from around the early sixth century.</p> <p>The riddle states: Diophantus's youth lasted one sixth of his life. He grew a beard after one twelfth more. After one seventh more of his life, he married.5 years later, he and his wife had a son. The son lived exactly one half as long as his father, and Diophantus died four years after his son.</p>

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Question ajoutée par Vinod Jetley , Assistant General Manager , State Bank of India
Date de publication: 2014/10/01
Vinod Jetley
par Vinod Jetley , Assistant General Manager , State Bank of India

The riddle, the "facts" of which may or may not be true, results in the following equation: x/6 + x/12 + x/7 +5 + x/2 +4 = x where x is Diophantus's age at the time of his death. Therefore, Diophantus lived exactly84 years