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Number of integers in the range of c so ...

Number of integers in the range of c so that the equation `x ^(3) - 3x +x =0` has all its roots real and distinct is:

A

2

B

3

C

4

D

5

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The correct Answer is:
B
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VK JAISWAL ENGLISH-APPLICATION OF DERIVATIVES -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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