यदि S(1), S(2) तथा S(3) क्रमशः प्रथम n प...

यदि `S_(1), S_(2)` तथा `S_(3)` क्रमशः प्रथम n प्राकृतिक संख्याओं का योगफल, उनके वर्गों का योगफल तथा घनों का योगफल है तो सिद्ध कीजिए कि `9S_(2)^(2) = S_(3) (1+ 8 S_(1))`

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The correct Answer is:

`9S_(2)^(2)`

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