qn: the eq connecting a and b in order that 2x^4-7x^3+ax+b may be divisible by (x-3) is a)3a+b-27 b)3a-b+27 c)3a+b+27 d)none
Last edited by CaptainBlack; Jul 3rd 2009 at 07:22 AM. Reason: deleted question asked elsewhere
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Originally Posted by vungaralas qn: the eq connecting a and b in order that 2x^4-7x^3+ax+b may be divisible by (x-3) is a)3a+b-27 b)3a-b+27 c)3a+b+27 d)none at x=3 the given expression will become zero hence, $\displaystyle 2.3^4-7.3^3+a.3+b=0$
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