# emergency

• Jul 3rd 2009, 04:00 AM
vungaralas
emergency
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
• Jul 3rd 2009, 04:15 AM
malaygoel
Quote:

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, $2.3^4-7.3^3+a.3+b=0$