Mathematics, 05.05.2021 19:20 hbked23

Let r be a rational number. Ben claims that when −4√5 is added to the product of r and −45√, the result is always irrational. Enter a value for r that disproves Ben's claim.
r =

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Let r be a rational number. Ben claims that when −4√5 is added to the product of r and −45√, the res...