median
don steward
mathematics teaching 10 ~ 16

Wednesday 20 October 2010

number plus reciprocal

what is the smallest positive value that a number plus its reciprocal can have?

test this with decimals and fractions

trying to prove the result might involve rearranging an inequality




a number added to its reciprocal is 2.9, what is it?

a number added to its reciprocal is 2.05, what is it?

a number added to its reciprocal is 2.625, what is it?

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