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Competition - post a photo you've taken of nature >>

Surds

(3root3)x(3root3)
I got 12+6root3
But apparently it's 27- can some Explain why?
Original post by Lucofthewoods
(3root3)x(3root3)
I got 12+6root3
But apparently it's 27- can some Explain why?


Show your working and you can be pointed in the right direction.
Original post by Lucofthewoods
(3root3)x(3root3)
I got 12+6root3
But apparently it's 27- can some Explain why?


Because 3*3*3 = 27, root 3 * root3 = 3

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