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OpenStudy (kanwal32):
can anyone simplify this for me
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OpenStudy (anonymous):
Post it!
OpenStudy (kanwal32):
\[\frac{ r^{10}-1 }{ r-1 }*\frac{ (1-r^{10})(r) }{ (r^{10})(1-r) }\]
OpenStudy (kanwal32):
=108
OpenStudy (anonymous):
Ok,
First find the LCD
OpenStudy (anonymous):
We want to clear the fractions first, so find the LCD, so I know how to do this?
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OpenStudy (kanwal32):
it multiplication (r us saying lcm)
OpenStudy (anonymous):
Ya lcm
OpenStudy (kanwal32):
but its multiplication
OpenStudy (anonymous):
LCD is just the lcm, but only looking at denominators, make sense?
OpenStudy (anonymous):
Right, it's multiplication.
Or you can think of it as multiplying both sides by the denominator
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OpenStudy (kanwal32):
this thing gets greater
OpenStudy (kanwal32):
@ganeshie8 can u tell a shorter way or less time consuming way to simplify this(i was able to do this but was taking time)
OpenStudy (anonymous):
Ya, it looks uglier than it is
Now, carry out the expansion on each side to get rid of the ( )
OpenStudy (anonymous):
Alright, good luck, bye
OpenStudy (kanwal32):
i was able to do this but i want a way less time consuming or a trick
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