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If 1/a=1/b+1/c, find a when b=3 and c=2/3
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14 votes
14 votes
If 1/a=1/b+1/c, find a when b=3 and c=2/3

User Jaques
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8 votes

Answer:


(1)/(a) =(1)/(b) +(1)/(c) \\ \\(1)/(a) = (1)/(3) + (1)/(2/3) \\\\(1)/(a) = (1)/(3) + (3)/(2)\\\\(1)/(a) = (11)/(6)\\\\a = (6)/(11)

User Jonathan Gilbert
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