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Nadya [2.5K]
3 years ago
7

Simplify √ 105 ..................................

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0

Answer:

Simplify √ 105  

A. 2√ 7  

B. 2√ 3  

<u>C. √ 105 </u>

D. √ 42

Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

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This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}

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\Delta = b^{2} - 4ac

In this question, we have that:

2x^2 + x - 6 = 0

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So the roots are x = (\frac{3}{2}, -2), which is given by option C.

3 0
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