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Mathematics
Algebra
Complex Numbers
If f(x) is a polynomial with real coefficients such that f(7+5i) = 39 + 13i, then f(7−5i) = a + bi. What is the value of a+b?
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i would just give you the hint....f(x)=x^2-14x+113.......now put the value x=7-5i.....you would get yourself...
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