Mathematics
11 Online
OpenStudy (anonymous):
HELP
1/a - 1/b + 1/c
please
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OpenStudy (anonymous):
@JetWave600
OpenStudy (anonymous):
Write the following as a single fraction?
OpenStudy (anonymous):
@cshalvey ?
OpenStudy (anonymous):
@MarkRijckenberg
OpenStudy (anonymous):
How complicated is this supposed to be? Are there any other questions to compare this to?
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OpenStudy (anonymous):
The question before it was 4/x + x/y
OpenStudy (anonymous):
Was the answer to that 4y+x^2/xy ?
OpenStudy (anonymous):
Yes! And it took a viddy long while to work out!
OpenStudy (anonymous):
For the original question, we're going to focus on the first 2 terms.
Multiply 1/a by b, and 1/b by a
OpenStudy (anonymous):
so 1b/ab and 1a/ab?
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OpenStudy (anonymous):
yes, and when you combine those two terms, it come out to b-a/ab.
OpenStudy (anonymous):
Yes it does thankyou. And then is there another part?
OpenStudy (anonymous):
Yes, now multiply b-a/ab by c, and 1/c by ab
OpenStudy (anonymous):
cb-a/abc and 1ab/abc?
OpenStudy (anonymous):
The first term should have bc-ac in the numerator, but everything else is fine.
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OpenStudy (anonymous):
Oh yeah! I only timed b by c and not a by c. So now I need to make them two into the one fraction. Do I add them?
OpenStudy (anonymous):
Yes.
OpenStudy (anonymous):
What is bc-ac plus 1ab?
OpenStudy (anonymous):
1ab+bc-ac?
OpenStudy (anonymous):
all over abc
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OpenStudy (anonymous):
Yay!
OpenStudy (anonymous):
That was like the most I have ever learned. Do you teach?
OpenStudy (anonymous):
Nope, college student.
OpenStudy (anonymous):
NO WAY. DA FUQ!
OpenStudy (anonymous):
Well youre better than any maths teacher I've ever had!
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OpenStudy (anonymous):
Ok thank you! :)