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Roy Henson
Mathematics
2 June, 20:30
What is 7√27 + 5√48 in simplified form?
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Jovan Carlson
2 June, 20:42
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For 7√27 I think you have to see what can come out off the 27
√27
∧
9 3
∧
3 3
A 3 comes out because there is two and the other 3 stays in, so your left with
3·7√3 = 21√3
for 5√48 Two 2s come out and a 3 stays in so, it looks like 4·5√3 = 20√3
and than just add
I hope this looks familiar.
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