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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -




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Topic review (newest first)

2006-03-29 02:22:32

Exactly what i'm looking for!

That really helped! Thanks!

2006-03-29 01:57:45

Check out it explains what you need to know.

2006-03-29 00:23:39


2006-03-27 02:33:47

okay. but i'm not really sure how to go about doing the division. I tried factorising it and cancelling out but it doesn't work. searching on the net doesnt yield anything useful too.

so it would be really helpful if you could elaborate on the steps for doing the divison or direct me to a site.

2006-03-27 01:10:57

An improper fraction is a fraction where the numerator is greater than the denominator (like 7/5 which can be expressed as a proper fraction as 1 2/5). An improper fraction can be converted into a proper fraction by dividing the numerator by the denominator.
In this case, the numerator is x+2x+2 and the denominator is x+2x-3 (Multiplying the two terms in the denominator(x+3) and (x-1)) .
When the numerator is divided by the denominator, quotient 1 is obtained and the reminder is 5.
Therefore, the expression can be written as 1 + 5/[(x+3)(x-1)].

2006-03-26 18:53:24

My tutor was showing me some steps to solve a Curve Sketching problem and i am unable to understand a part of it.

Specifically, i don't understand how my tutor was able to go from:

y= (x^2 + 2x + 2) / (x+3)(x-1)


y= 1 + (5) / ((x+3)(x-1))

He did mention something about the first expression being an Improper Fraction and has to be divided.

So if anyone know how to go from the first to the second expression, please help. Thanks!

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