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Romashka [77]
3 years ago
8

Please answer this and will marked as brainlist ​

Mathematics
1 answer:
xeze [42]3 years ago
4 0
<h3>Answer: 1</h3>

where x is nonzero

=======================================================

Explanation:

We'll use two rules here

  • (a^b)^c = a^(b*c) ... multiply exponents
  • a^b*a^c = a^(b+c) ... add exponents

------------------------------

The portion [ x^(a-b) ]^(a+b) would turn into x^[ (a-b)(a+b) ] after using the first rule shown above. That turns into x^(a^2 - b^2) after using the difference of squares rule.

Similarly, the second portion turns into x^(b^2-c^2) and the third part becomes x^(c^2-a^2)

-------------------------------

After applying rule 1 to each of the three pieces, we will have 3 bases of x with the exponents of (a^2-b^2),  (b^2-c^2) and (c^2-a^2)

Add up those exponents (using rule 2 above) and we get

(a^2-b^2)+(b^2-c^2)+(c^2-a^2)

a^2-b^2+b^2-c^2+c^2-a^2

(a^2-a^2) + (-b^2+b^2) + (-c^2+c^2)

0a^2 + 0b^2 + 0c^2

0+0+0

0

All three exponents add to 0. As long as x is nonzero, then x^0 = 1

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keeping in mind that parallel lines have the same exact slope, thus we're really looking for a the equation of a line whose sloope is 4/5 and runs through (1,2),

\bf (\stackrel{x_1}{1}~,~\stackrel{y_1}{2})~\hspace{10em} \stackrel{slope}{m}\implies \cfrac{4}{5} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{2}=\stackrel{m}{\cfrac{4}{5}}(x-\stackrel{x_1}{1}) \\\\\\ y-2=\cfrac{4}{5}x-\cfrac{4}{5}\implies y=\cfrac{4}{5}x-\cfrac{4}{5}+2\implies y=\cfrac{4}{5}x+\cfrac{6}{5}

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in the right triangle shown, A= 30° and BC =6 How long is AB?Answer exactly using a radical if needed.​
nasty-shy [4]

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