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- Thread starter Superposed_Cat
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Mark44

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Are you stumped by the arithmetic with fractions?

$$ \frac{1}{\frac{7}{4}} = \frac 4 7$$

Now multiply by 3. What do you get?

6 * 1/2 = ?

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Mark44

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This isn't even algebra - it's arithmetic, and about 6th grade at that.No with this, but my algebra is terrible

Then it would behoove you to brush up on arithmetic involving fractions. Some time spent going through some videos at khanacademy (http://www.khanacademy.org/math/cc-sixth-grade-math) would be a very good investment.and I haven't had to use fractions properly for ages as I always usually convert to decimals.

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No with this, but my algebra is terrible and I haven't had to use fractions properly for ages as I always usually convert to decimals.

That's just saying that $$\frac{1}{6}\int x^{-1/2}dx = \frac{1}{6}[2x^{1/2}]$$

You're aware of the generic formula: ##\int x^n dx = \frac{1}{n+1}x^{n+1}## right?

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