document.write( "Question 550787: Direction: use one of the formulas for special series to find the sum of the series.
\n" ); document.write( "42
\n" ); document.write( "∑ 1
\n" ); document.write( "i=1
\n" ); document.write( "1. 42 is on top of the symbol, i=1 is on bottom and 1 on right side.
\n" ); document.write( "2. 5 on top, n on right, n=1 on bottom. the answer is 15 but how?
\n" ); document.write( "3. 18 on top, i=1 on bottom, i on right.
\n" ); document.write( "4. 20 on top, k on right, k=1 on bottom
\n" ); document.write( "5. 6 on top, n^2 on right, n=1 on bottom.
\n" ); document.write( "6. 10 on top, i^2 on right, i=1 on bottom
\n" ); document.write( "7. 12 on top, i^2 on right, i=1 on bottom
\n" ); document.write( "8. 35 on top, k^2 on right, k=1 on bottom
\n" ); document.write( "again all these problems are shown in this symbol: ∑
\n" ); document.write( "thanks for ur help and happy new year!
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Algebra.Com's Answer #359087 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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