How do I solve this one:
(a/2b+2b/a)*2 - (a/2b-2b/a)*2 - 4
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added an answer, on 2/9/11. 2 helpful votes in Math. (a/2b+2b/a)^2 - (a/2b- 2b/a)^2 - 4. Formula: (a+b)^2 - (a-b)^2= 4ab. 4 . a/2b.2b/a-4=0. Answer=0.
149209:
your answer is correct but you should expain it in detail
oo
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hope it helped you....
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this is wrong
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