Math, asked by PrinceSahil05, 1 year ago

if the polynomial x^4 + ax^3 + 2x^2 - 3x+b is exactly divisible by polynomial x^2 + 1 then find the value of a and b..

Answers

Answered by kvnmurty
4

x^2 + 1 )   x^4 + a x^3 + 2 x^2 - 3 x + b  ( x^2 + a x +1
                x^4 + x^2
               ============
                         a x^3 + x^2
                         a x^3 + a x 
                          ===========
                                    x^2 - (3 +a) x 
                                    x^2  + 1 
                                     =========
                                           - (3+a) x - 1 - b

as remainder is supposed to be 0,    b = -1   and  a = -3


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