The first, second and the last terms of an A.P. are \( a, b \) and \( 2 a \) respectively. Show ... VIDEO
The first, second and the last terms of an A.P. are \( a, b \) and \( 2 a \) respectively. Show that its sum is \( \frac{3 a b}{2(b-a)} \).https://bit.ly/YTAI_PWAP https://www.pw.live
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