barbabos
barbabos
20-08-2018
Mathematics
contestada
Someone help me please
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ali4098
ali4098
20-08-2018
You need to simplify the root then combine like terms to get 3sqrt2
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Аноним
Аноним
20-08-2018
3√8 = 3 * √(4*2) = 3* 2√2 = 6√2
so -3√2 + 3√8 = -3√2 + 6√2
= 3√2 Answer ( Option C)
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