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[" 16.The first term of a geometric prog...

[" 16.The first term of a geometric progression is equal to "b-2" ,the third term is "b+6," and the "],[" arithmetic mean of the first and third term the second term is in the ratio "5:3" .Find the "],[" positive integral value of "b" ."],[" 4."4" when "c" mean is "1" the "3^(n)" torm "210^(" to ")=2^(" rd ")" them "=?]

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