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Q.

How many zeros does a cubic polynomial have?


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a

1

b

2

c

3

d

4 

answer is C.

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Detailed Solution

A cubic polynomial will have 3 zeros since its highest power (or degree) is 3.
As a result, the zeroes of a cubic polynomial can have the following values:
  • All three zeroes could be distinct and real.
  • All three zeroes could be true, and two of them could be equal.
  • All three 0s could be real and equal.
  • One zero could be real, while the other two are not (complex).

    • Hence (3) is the correct option.
     
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