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jenn4887

jenn4887

15.07.2021 •

Mathematics

Rationalise the denominator as per necessary and simplify.

Rationalise the denominator as per necessary and simplify.

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Ответ:

melisa141b

15.07.2021

$8\sqrt{7}$

Step-by-step explanation:

$\frac{21}{\sqrt{7} } * \frac{\sqrt{7} }{\sqrt{7} }$ = $\frac{21\sqrt{7} }{7}$

$\frac{21\sqrt{7} }{7}$ = $\frac{147\sqrt{7} }{14}$

$\frac{147\sqrt{7} }{14} - \frac{35\sqrt{7} }{14}$

$\frac{112\sqrt{7} }{14}$

$8\sqrt{7}$

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Ответ:

kimmi1489

24.04.2023

31% × 96.000.000= 29.760.000

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