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If x +1 and x -1 are factors of f(x) = x³ +2 ax +b, calculate the values of a and b. Using these values of a and b, factorise f(x) completely.



Wrong question...............after x^3 there should be x^2
0 0 0
question is right...
hey after x^4 comes x^3 then x^2 then it comes to x
thnks for telling bt i have got the correct answer for this question only..
then congratulations
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