SOLUTION: Find all zeros of f(x)={{{4x^4+36}}}

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Question 1067024: Find all zeros of f(x)=
Found 2 solutions by Lightning_Fast, ikleyn:
Answer by Lightning_Fast(78)   (Show Source): You can put this solution on YOUR website!

Factor out 4.

That's the most you can do.
Answer by ikleyn(53763)   (Show Source): You can put this solution on YOUR website!
.
4x^4 + 36 = 0

is equivalent to


x^4 = 9.


The roots are  ,  ,    and  ,  where  i =   is the imaginary unit.


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