13-03-2018
Mathematics

contestada

3у(6у+2х)-(х+3у)^2 при х=√2 , у=√7

4ab/+4b*(a/4b-4b/a) при a=4√5+3,b=√5-9

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oneimmortal8 oneimmortal8

16-03-2018

[tex] \pi [/tex] is the answer.

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