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Find the missing link in the sequences given in each of these questions:
As we can clearly observe in the numerator, the numerator of the previous term is multiplied by 2 and 1 is added. So numerator will be 9(2)+1=19
Similarly, denominator of the previous term is multiplied by 2 and then 2 is added. So 20(2)+2=42
Hence the fraction will be 19/42
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