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maths inequalities help please!?
x/(x-3) is greater than 1/(x-2)
the problem I think I'm having is that when cross multiplying, when the (x-3) or (x-2) is negative, the inequality switches around. It's quite frustrating because i used to be able to do this, but ive just forgotten it haha.
any help is really appreciated.
2 Answers
- Anonymous1 decade agoFavorite Answer
Solutions: http://www.wolframalpha.com/input/?i=x%2F%28x-3%29...
I hope this helps!
Source(s): knowledge - ?Lv 51 decade ago
in this case, the inequality does not switch because it is not negative..
so it would be:
x(x-2) > x-3
x^2 - 3x + 3 > 0
i think you have to use quadratic formula to solve for x...
also, not sure if i'm correct or not