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Old 07-27-2007   #1
Battle Born
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Default Math simplification problem :(?

Can someone explain this for me?A+B/((1/B)+(1/A))The answer is AB but I don't know how to get to that.
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Old 07-27-2007   #2
Jose E
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A+B/((1/B)+(1/A))=a+b/((a/ab)+ (b/ab))=a+b/(a+b/ab)=(a+b) * ab/(a+b)=ab
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Old 07-27-2007   #3
danny_gringo
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somebody nailed it
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Old 07-27-2007   #4
spirit dummy
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to simplify (1/B + 1/A) multiply both terms by AB / AB giving:AB/B + AB/A) / AB = (A + B) /AB so ==> (A + B) / ((A + B) / AB) = AB
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Old 07-27-2007   #5
aeiou
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A+B/((1/B)+(1/A))A + B------------- =1/B + 1/ALDC(B e A) = ABA + B--------------- =(A + B)/ABSimplifyingA+B)*(AB/A+B) = AB>
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