3 years ago

Find the sum. Enter your answer in simplest terms, using the slash (/) as the fraction bar.

1 answer:

disa [49]3 years ago

4 0

Step-by-step explanation:

the answer is in the picture

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const2013 [10]

Notice that

$7^{2014} - 7^{2012} = 7^{2012} \bigg(7^2 - 1\bigg) = 7^{2012} \times 48 = 2^4 \times 3 \times 7^{2012}$

$12=2^2\times3$ , so

$\dfrac{7^{2014}-7^{2012}}{12} = 2^2 \times 7^{2012}$

Then taking the positive square root gives

$\sqrt{\dfrac{7^{2014}-7^{2012}}{12}} = \sqrt{2^2 \times 7^{2012}} = 2\times7^{1006}$

so $\boxed{a=2}$ and $\boxed{b=1006}$ .

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Mrrafil [7]

Answer:

1)B

Step-by-step explanation:

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MariettaO [177]

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3 years ago

Alexeev081 [22]

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Gre4nikov [31]

c c a a are the right answers just took it

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3 years ago