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natishtaylor1p8dirz
23.09.2019 •
Mathematics
Simplify the complex fraction:
(49-x^2)^1/2 + 9x^2(49-x^2)^-1/2 / 49-x^2
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Ответ:
= (49 - x^2)^(-1/2) * [(49 - x^2) + 9x^2 * 1] / (49 - x^2), via factoring
= (49 + 8x^2) / [(49 - x^2) (49 - x^2)^(1/2)]
= (49 + 8x^2) / (49 - x^2)^(3/2).
I hope this helps!
Ответ:
Complete Question
In the diagram on the first uploaded image is a structured representation of the question
The correct answer to drag and drop from the first to the last is
Step-by-step explanation:
The total angle of the pizza is
this is because the pizza is circular in shape
Now
of the pizza will have an angle of
= >![\theta _{1/3} =120 ^o](/tpl/images/0672/6796/474ee.png)
Now
of the pizza will have an angle of
= >![\theta _{1/3} =72 ^o](/tpl/images/0672/6796/30b3d.png)
Now
of the pizza will have an angle of
= >![\theta _{1/3} =45 ^o](/tpl/images/0672/6796/6571f.png)
Now
of the pizza will have an angle of
= >![\theta _{1/3} =40 ^o](/tpl/images/0672/6796/5d052.png)