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OpenStudy (ammarah):
Write a polynomial function f of the least degree that has rational coefficients, a leading coefficient of 1 and the given zeros. -5,0,-3i,3i
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OpenStudy (ammarah):
@hartnn
OpenStudy (anonymous):
start with \[x(x+5)(x-3i)(x+3i)\] and multiply out
OpenStudy (ammarah):
yes i did but when i foil x-3i x+3i i get x^2+9
OpenStudy (phi):
yes, so far so good
OpenStudy (ammarah):
I got x^4+9x^2+5x^3+45x is that correct?
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OpenStudy (aggie12341):
yes ^^
OpenStudy (ammarah):
@phi is it correct?^
OpenStudy (ammarah):
Please make sure it is....
OpenStudy (ammarah):
@phi
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