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Softa [21]
3 years ago
5

Simplify the radical expression 5√7+2√175

Mathematics
1 answer:
yanalaym [24]3 years ago
5 0
5\sqrt{7} + 2\sqrt{175}=5\sqrt{7}+2\sqrt{25 \cdot 7}=5\sqrt{7}+ 2 \cdot \sqrt{25} \cdot \sqrt{7}= \\ \\ = 5\sqrt{7}+2 \cdot 5 \cdot \sqrt{7}=5\sqrt{7}+10\sqrt{7}=\boxed{15\sqrt{7}} \approx 39.69

remember about formula \sqrt{ab} = \sqrt{a} \cdot \sqrt{b}
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Answer:

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Step-by-step explanation:

Given

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<em>Where h is the unit of translation</em>

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Step-by-step explanation:

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It follows from convention that the general equation of such an ellipse is;

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