document.write( "Question 1177007: Find the sum in terms of n for
\n" ); document.write( " n
\n" ); document.write( " ∑ \"+%283k%5E2-5k%2B7%29+\"
\n" ); document.write( "k=1 \r
\n" ); document.write( "\n" ); document.write( "Given:
\n" ); document.write( " n
\n" ); document.write( " ∑= \"+%28n%28n%2B1%29%282n%2B1%29%29%2F6+\"
\n" ); document.write( "k=1\r
\n" ); document.write( "\n" ); document.write( " n
\n" ); document.write( " ∑= \"+%28n%28n%2B1%29%29%2F2+\"
\n" ); document.write( "k=1
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Algebra.Com's Answer #805220 by greenestamps(13200)\"\" \"About 
You can put this solution on YOUR website!


\n" ); document.write( "Your presentation of the problem is flawed; the information as given is nonsense.

\n" ); document.write( "I don't know if you posted it incorrectly, or if it was incorrect when it was given to you.

\n" ); document.write( "When the problem is presented correctly, the solution is simple.

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\n" ); document.write( "Here is how the problem should have been posted:

\n" ); document.write( "Find the sum in terms of n for

\n" ); document.write( "\"sum%283k%5E2-5k%2B7%2C1%2Cn%29\"

\n" ); document.write( "Given:

\n" ); document.write( "\"sum%28k%5E2%2C1%2Cn%29=%28n%28n%2B1%29%282n%2B1%29%29%2F6+\" (The \"k^2\" was missing in your post, making the statement meaningless)

\n" ); document.write( "and

\n" ); document.write( "\"sum%28k%2C1%2Cn%29=%28n%28n%2B1%29%29%2F2+\" (likewise, the \"k\" was missing)

\n" ); document.write( "It should also be obvious that

\n" ); document.write( "\"sum%281%2C1%2Cn%29=n\"

\n" ); document.write( "Then...

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\n" ); document.write( "Then simplify if required.
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