IIT JEE , AIEEE Forum - Mathematics , Algebra - x^5-17x+a=0 find values of x so that the eqn has real roots

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23 Jun 2008 21:07:32 IST

Subject: Re:x^5-17x+a=0 find values of x so that the eqn has real roots

arpitddn (5)

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a=5

b=-17

c=a

b²-4ac>0

(-17)²-4*5*a>0

289>20a

14.45>a

a>14.45

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