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S1=12+16+112+120+...∞S2=13+152+133+154+135+156+...∞If S1−2S2=a6, then a= |
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Answer» S1=12+16+112+120+...∞S2=13+152+133+154+135+156+...∞If S1−2S2=a6, then a= |
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