3 years ago

7 less than x less than or equal to -1 ?

1 answer:

6 0

Answer:

x equal 1 so -1 is less than x

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Mars2501 [29]

By the binomial theorem,

$\displaystyle \left(x^2-\frac1x\right)^6 = \sum_{k=0}^6 \binom 6k (x^2)^{6-k} \left(-\frac1x\right)^k = \sum_{k=0}^6 \binom 6k (-1)^k x^{12-3k}$

I assume you meant to say "independent", not "indecent", meaning we're looking for the constant term in the expansion. This happens for k such that

12 - 3k = 0 ===> 3k = 12 ===> k = 4

which corresponds to the constant coefficient

$\dbinom 64 (-1)^4 = \dfrac{6!}{4!(6-4)!} = \boxed{15}$

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bonufazy [111]

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GalinKa [24]

it's A because you put your Decimals in order and round the nearest tenths.

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Yuliya22 [10]

X^2 + 2xy + -x + y^2 + -y + -12

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Darina [25.2K]

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2xy - 6x +2y

Step-by-step explanation:

12xy - 10xy = 2xy

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