If the polynomial f(x) = ax3 + bx - c is divisible by the polynomial g(x) = x2+bx+c, then ab =

a) 1 b) 1/c c) -1 d) -1/c

also, in the above question c =

a) b b) 2b c)2b2 d) -2b

a) b b) 2b c) 2b2 d) -2b

Consider, division of f(x) = ax3 + bxc by g(x) = x2 + bx + c,


Since f(x) is divisible by g(x), remainder must be zero i.e., 


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