3 years ago

Using the given zero, find all other zeros of f(x).

1 answer:

6 0

Hello :
answer : a
because : f(2i) = (2i)^4 -45(2i)² -196 = 16(1)-45(-4)-196...... ( i²=-1)
= 16+180 -196 =196-196 =0
same solution : f(14i)=f(-14i)=0

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