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[" 41.If the fourth term in the expansio...

[" 41.If the fourth term in the expansion of "(ax+(1)/(x))^(n)" is "(5)/(2)" ,"],[" then "],[[" (a) "a=1/2" and "n=6," (b) "a=1/3" and "n=5],[" (c) "a=2" and "n=3," (d) "a=1/4" and "n=1]]

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