How many complex roots does the equation 0=4x4−x3−5x+3 have?

3

4

5

6

Question

30-10-2018
Mathematics

contestada

How many complex roots does the equation 0=4x4−x3−5x+3 have?

3

4

5

6

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sqdancefan sqdancefan · Answer 1 · 2018-10-31T21:31:25+01:00

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31-10-2018

Answer:

4

Step-by-step explanation:

Descarte's rule of signs tells you that there will be 0 or 2 positive real roots and 0 negative real roots. A graph shows there are no positive x-intercepts, so 0 real roots.

All four roots are complex.

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Answer:

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Step-by-step explanation:

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How many complex roots does the equation 0=4x4−x3−5x+3 have? 3 4 5 6

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Otras preguntas

How many complex roots does the equation 0=4x4−x3−5x+3 have?

3

4

5

6