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4³√2 + 3 ³√2 add/ subtract radicals

Sagot :

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4³√2 + 3 ³√2 = 7³√24³√2 - 3 ³√2 = ³√2

- D.E.
The given are similar radicals; Subtract add only the coefficients.

Addition of similar radicals:
[tex]4 \sqrt[3]{2} + 3 \sqrt[3]{2} = (4 + 3) \sqrt[3]{2} = 7 \sqrt[3]{2} [/tex]

Subtraction of similar radicals:
[tex]4 \sqrt[3]{2} - 3 \sqrt[3]{2} = (4-3) \sqrt[3]{2} = \sqrt[3]{2} [/tex]