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Find the sum of the series the series from n equals 1 to infinity of the quotient of negative 1 raised to the n minus 1 power and n squared correct to two decimal places.

Type your answer in the space below and give 2 decimal places. If your answer is less than 1, place a leading "0" before the decimal point (ex: 0.48). (15 points) Please explain. I need help!

1 answer

I thought we already did this. Look at the sequence:

1/1^2 - 1/2^2 + 1/3^2 - 1/4^2 + ...
Look familiar?
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