4. The sum to oo of the series -5, 25,-125, 625,...canbe written as(a)

1.	4. The sum to oo of the series -5, 25,-125, 625,...canbe written as(a)Σ (-5) kk-1(b) Σ5kΣ_5k(c)
Answer» option A because whenever you increment with one, for even no. it becomes positive integer and when it's odd it becomes negative integer.this is satisfied only by optionA. what you min

4. The sum to oo of the series -5, 25,-125, 625,...canbe written as(a)Σ (-5) kk-1(b) Σ5kΣ_5k(c)

Answer»

option A because whenever you increment with one, for even no. it becomes positive integer and when it's odd it becomes negative integer.this is satisfied only by optionA.

what you min

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4. The sum to oo of the series -5, 25,-125, 625,...canbe written as(a)Σ (-5) kk-1(b) Σ5kΣ_5k(c)

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