Are there any odd positive numbers that satisfy the equation:
$a^2 - b^3 = 4$ ?
I am certain that there are none but can't prove it. How would you prove that?
2026-04-25 21:56:48.1777154208
Odd positive integers that satisfy $a^2 - b^3 = 4$
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Start by rewriting it as $a^2-4=b^3$, and do what comes naturally.