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Mrac [35]
3 years ago
7

3/4 3√128. simplify?kindly​

Mathematics
2 answers:
iris [78.8K]3 years ago
7 0

Answer:

3 ∛2

Step-by-step explanation:

3/4 ∛128

=> 3/4 ∛(2)^7 .

=> 3/4 ∛(2)^3 . (2)^3 x2

=> 3/4 . 2.2 ∛2

=>3 ∛2

lisov135 [29]3 years ago
6 0

Answer:  3∛2

<u>Step-by-step explanation:</u>

First, factor 128 .... you need three common factors to bring one on the outside of the radical.

\dfrac{3}{4}\sqrt[3]{128} \\\\\\=\dfrac{3}{4}\sqrt[3]{4\cdot 4\cdot 4\cdot 2} \\\\\\=\dfrac{3}{4}\cdot 4\sqrt[3]{2} \\\\\\=\large\boxed{3\sqrt[3]{2} }

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