C-07-Q033: For the series $1 - 1 + 1 - 1 + \ldots$, the third partial sum $S_3$ i…

C-07-Q033: For the series $1 - 1 + 1 - 1 + \ldots$, the third partial sum $S_3$ i… | প্রশ্ন করি

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For the series 1−1+1−1+…1 - 1 + 1 - 1 + \ldots1−1+1−1+…, the third partial sum S3S_3S3​ is —