replacing n by 2 x 12-1-Hence, required ratio (69 + 8):(161 +15) 7:16. – InterviewSolution

1.	replacing n by 2 x 12-1-Hence, required ratio (69 + 8):(161 +15) 7:16.Ifthere are (2n + 1)terms in AP, then prove that the ratio of the sum oEXAMELE 31sum of even terms is (n+1):n.NCEIls tho first term and common difference respectivelv
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