2 years ago

Simplify x raised ^ 5 x - 2

Mathematics

1 answer:

MaRussiya [10]2 years ago

5 0

The property x^axb makes it x^a+b so x^5x-2 ,

Therefore x^-10 is final

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tigry1 [53]

Answer:

C) $-\frac{47}{49}$

Step-by-step explanation:

By the cos double angle formula, we know $\cos(2\theta)=2\cos^2\theta-1.$ Substituting $\cos \theta$ into the formula, we get

$\cos(2\theta)=2(-\frac{1}{7})^2-1\\~~~~~~~~~~=\frac{2}{49}-1\\~~~~~~~~~~=\boxed{-\frac{47}{49}}$ .

The answer is C.

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Answer:

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r-ruslan [8.4K]

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3 years ago

Simplify x raised ^ 5 x - 2​

Simplify x raised ^ 5 x - 2