A-level mathematics | sequence |Watch
Anyone can help me with this problem.Consider the sequence 1,1,3,(1/3),9,(1/9),27,(1/27),81,(1/81),.......Show that the sum of the first 2n terms of the sequence is 1/2[2-(3^n)-(3^(n-1)].
The hint is in my question.
The snowflake is well described online. What have you done / what problems are you having?