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Can't get it...

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by welcome » Fri Jan 09, 2009 6:50 pm
b/(1-b)
Shubham.
590 >> 630 >> 640 >> 610 >> 600 >> 640 >> 590 >> 640 >> 590 >> 590
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Re: Can't get it...

by logitech » Fri Jan 09, 2009 7:38 pm
ajmoney09 wrote:If b Does not equal 1, what is the value of a in terms of b in (ab/a-b)=1
this means:

ab=a-b

or ab-a+b=0

a(b-1)+b=0

a(b-1)=-b

a=-b/b-1

a= b/1-b

This is why the stem says b is not equal to 1 because otherwise we will have

a=b/0 which is not defined.
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by ajmoney09 » Fri Jan 09, 2009 8:04 pm
Thanks you fellas.
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