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The condition f(x) = x^(3)+px^(2)+qx+r (...

The condition `f(x) = x^(3)+px^(2)+qx+r (x in R)` to have no extreme value is

A

`b^2=4ac`

B

`b^2=3ac`

C

`b^2 lt 3ac`

D

`b^2 gt 3ac`

Text Solution

Verified by Experts

The correct Answer is:
C
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