Omnia Ali

okay so common difference is same so using our for formula third term = first term + ( nth term-1)(the common difference (second term - first term) which is in this case (2n-1)- (n+5)= n-6) 4n-3=...

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3. If (n+5), (2n+1), and (4n-3) are three consecutive terms of an arithmetic sequence, find n.