If 2i is a zero of f(x)=x^4+x^2+a, find the value of a

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

answer by yourhope:

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