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xeze [42]
3 years ago
15

Need help with this ASAP

Mathematics
1 answer:
Ulleksa [173]3 years ago
6 0
Answer

12 root 3

Answer is irrational (because it) can’t (and it’s decimal expansion) doesn’t (terminate or repeat)

You can see this by simply plugging the surd into the calculator

Step-by-step explanation

Sum of 2 root 3 and 5 root 12

Root 12 can be written as:

root 4 • root 3

root 4 = 2

= 2 • root 3

Multiply with the 5 from q

= 10 • root 3

Now the terms can be added

2 • root 3 + 10 • root 3 =

12 • root 3

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Answer:

<h2>It's an identity</h2>

Step-by-step explanation:

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\text{Used:}\\\\\sin^2x+\cos^2x=1\Rightarrow\left\{\begin{array}{ccc}\cos^2x=1-\sin^2x\\\sin^2x=1-\cos^2x\end{array}\right\Rightarrow\left\{\begin{array}{ccc}-\cos^2x=\sin^2x-1\\-\sin^2x=\cos^2x-1\end{array}\right

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Explanation:

So to get this answer you need to split it into smaller shapes. We already have the squares so we know that 3*3 is 9 and then we double that because there are two of them.

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