1.

Using the Remainder Theorem, factorise each of the following completely: (i) 3x^3+2x^(2)-19x+6 (ii) 2x^(3)+x^2-13x+6 (iii) 3x^(3)+2x^2-23x-30 (iv) 4x^3+7x^2-36x-63 (v) x^3+x^2-4x-4

Answer»


ANSWER :(i) (x-2) (x+3) (3x-1) (II) (2x-1) (x-2) (x+3) (III) (x-3) (x+2) (3x+5) (IV) (x+3) (x-3) (4x+7) (V) (x+1) (x-2) (x+2)


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