Question

Simplifique as expressões
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a) -√54 - √486 - √294
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b) √128 + √50 - √98 + √242
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c) ³√189 - ³√448 - ³√875
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d) √396 - √108 + √176 + √675

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Answer 1

Resposta:

a)$-3\sqrt{6} -9\sqrt{6} -7\sqrt{6}$
$-19\sqrt{6}$
b)$8\sqrt{2}+5\sqrt{2}-7\sqrt{2}+11\sqrt{2}$
$17\sqrt{2}$
c)$3\sqrt[3]{7}-4\sqrt[3]{7}-5\sqrt[3]{7}$
$-6\sqrt[3]{7}$
d)$6\sqrt{11}-6\sqrt{3}+4\sqrt{11}+15\sqrt{3}$
$10\sqrt{11} + 9\sqrt{3}$