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Naddika [18.5K]
3 years ago
12

How would the expression x3 -3 sqrt 3 be rewritten using difference of cubes?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
5 0

Answer:

x^3 - (√3)^3

I'm not so sure since it's not even an option

Step-by-step explanation:

  • x^3 - 3√3 = x^3 - 3^1 × 3^(1/2)
  • from the laws of indices:
  • 3^1 × 3^(1/2) = 3^(1 + 1/2)
  • = 3^(3/2) which is the same as (√3)^3
  • so it could be written as x^3 - (√3)^3
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Answer:

If your saying estimate this number in a decimal without calculators I think I might be able to help as illustrated below:

Step-by-step explanation:

2 5/6 shows that the whole number will be a 2. The 5/6 is a decimal below one as it is not one whole fraction. This means that we have to estimate the value of 5/6 and add that value to the number 2. 1/3 is a common fraction that is equal to about 0.33. This is because 0.33 + 0.33 + 0.33 is almost 1, which means 1/3 of one is indeed equal to 0.33.

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Step-by-step explanation:

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