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OpenStudy (smurfy14):
ax^3+bx^2+cn, find a, b, and c???
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OpenStudy (smurfy14):
this should equal sum of numbers from i=one to n of i squared. For example S(1) is 1, S(2) is 5, S(3) is 14
OpenStudy (aravindg):
So S=ax^3+bx^2+cn?
OpenStudy (aravindg):
If that is the case, plug in each value for x. You get 3 eqns, 3 unknowns. Solve it!
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