How many no real complex roots does the polynomial f (x) = x^4 - x^2- 12 have?
1 answer:
<h3>
Answer:</h3>
- 2 real roots
- 2 complex roots
<h3>
Step-by-step explanation:</h3>
f(x) factors as ...
... f(x) = (x² -4)(x² +3) = (x -2)(x +2)(x² +3)
The real roots are x = ±2.
The complex roots are x = ±i√3.
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We don't know what "no real complex roots" means. We suspect your answer may be C. 2.
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