Let a∊R and let f:R\toR be given by f(x)=x^5-5x+a,then [JEE Adv 2014 P1]

f(x)has three real roots if a > 4

f(x) has only one real roots if a > 4

f(x) has three real roots if a < -4

f(x)has three real roots if -4 < a < 4

JEE Advanced 2014 Paper 1

Section: Mathematics

Question : 42 of 60

Marks: +1, -0

Let a∊R and let f:R→R be given by f(x)=x5−5x+a,then

[JEE Adv 2014 P1]

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