anonymous
  • anonymous
Hey so i got the correct answer to my question but I need to know how to solve it because I simply used an online calculator. It the summation of upper limit 7 and lower limit k=3 and then k^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
So it basically looks like this...\[\sum_{k=3}^{7}k^2\]
anonymous
  • anonymous
We can expand the sum as follows: \[\sum_{k=3}^{7}k^2=3^2+4^2+5^2+6^2+7^2\]
anonymous
  • anonymous
I figured out how to solve it but if you know the formula that would be great because I did it the long way

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