Question

If 1^2+2^2+3^2+4^2+....+n^2=n(n+1)(n+2) /6 .In L.H.S find p(4)?
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Answer 1

Answer:

HOW DID SHE DRAWN TRAINGLE ON THE ANSWER......PLZ NAME THE LATEX TO DRAW TRAINGLE LIKE THIS

Step-by-step explanation:

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