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April 21, 2014

April 21, 2014

Posted by **Ashley** on Tuesday, March 26, 2013 at 7:11pm.

Degree 5; Zeros: -3; -i; -6+i

f(x)=a( )

- Form a polynomial f(x) -
**Count Iblis**, Tuesday, March 26, 2013 at 8:03pmIf the zeroes are a1,a2,a3, etc. then the polynomial is:

p(x) = A (x-a1)(x-a2)(x-a3)....

If all the coefficients are real, then the zeroes come in pairs of complex conjugates. So, in this problem it is given that -i is a zero, and then it follows that i is also a zero.

- Form a polynomial f(x) -
**Count Iblis**, Tuesday, March 26, 2013 at 8:03pmIf the zeroes are a1,a2,a3, etc. then the polynomial is:

p(x) = A (x-a1)(x-a2)(x-a3)....

If all the coefficients are real, then the zeroes come in pairs of complex conjugates. So, in this problem it is given that -i is a zero, and then it follows that i is also a zero.

- Form a polynomial f(x) -
**Chama**, Tuesday, March 26, 2013 at 8:06pmSo then a=0?

- Form a polynomial f(x) -
**Chama**, Tuesday, March 26, 2013 at 8:08pmWhat would be the polynomial?

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