Find the sum of a and b in the following series - 73 , 79 , 83 , a , 97 , b
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the given series is an ap because of the presence of a common difference=>79-73=83-79
or,
=>97-a=b-97
=>a+b=97+97=194
or,
=>97-a=b-97
=>a+b=97+97=194
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