mathslover
Please see attachment ..



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mathslover
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Help!!!

mathslover
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well i know that:
a:b :: c:d
that is
a*d = b*c

mukushla
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multiply 2 sides of equation by \(a\) then simplify see what happens

abdul_shabeer
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b+c+{(ac)(ab)/a}
first add these two

abdul_shabeer
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What do you get?

mathslover
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Ok wait

mathslover
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well you meant like this?:
\[\large{a(a+d)=a(b+c+\frac{(ab)(ac)}{a})}\]
\[\large{a^2+ad=ab+ac+(ab)(ac)}\]

mukushla
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mukushla is not typing a reply… whats the problem with site?

abdul_shabeer
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In proof you should start with any one side and reach the other side

mathslover
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\[\large{a^2+ad=ab+ac+a^2acab+bc}\]
\[\large{a^2+ad=a^2+bc}\]
@mukushla I also dont know .. and it is showing you offline

mukushla
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well ad=bc and we are done

mathslover
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off topic attachment sorry

mathslover
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Oh yes right @mukushla thanks a lot

mukushla
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yw....:)

abdul_shabeer
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dw:1344441334728:dw

abdul_shabeer
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dw:1344441454963:dw

abdul_shabeer
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In proof you cannot multiply both sides by a