Question

Write two arithmetic sequences with the sum of first some terms is always a

perfect square.​

Answer 1

Step-by-step explanation: That gives us these terms, with addition demonstrated to show you can add any number of terms (starting with the first) and get a square. 1, 3, 5, 7, 9… (1 + 3 = 4, 1 + 3 + 5 = 9, 1 + 3 + 5 + 7 = 16, etc.

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