H.C.F. and L.C.M. of expressions `(x^3 - 1) and A` are `(x - 1) and (x^6 - 1)` respectively. Then the value of A is

The H.C.F.and L.C.M.of two polynomials is (x-2) and (x^(3)+6x^(2)-x-30) respectively.If one of the polynomials is (x^(2)+x-6), then the pother polynomial is

If in the expansion of (1+ x )^(m) (1-x) ^(n) the coefficient of x and x ^(2) are 3 and (-6) respectively, then the value of n is-

H.C.F. and L.C.M. of two polynomials are x and (x^(2)+3x) , respectively. If one polynomial is (x^(2)+3x) , then second will be

The expression 2x^(3) + x ^(2) f- 2x -1 is divisible by x-1 then what is the value of f ?