median
don steward
mathematics teaching 10 ~ 16

Friday, 30 March 2012

unusual square roots

simplify these square roots:














are there other examples?
what is a general rule?

what are the problems with some (many) of these?
[the denominator for 5 is 24 and this simplifies as a surd since 4 is a factor
14 is the next number after those above that doesn't have surd parts that simplify]

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