Question

Check weather the polynomial f(x)= 4 x cube + 4 x square minus x minus one is a multiple of 2x plus one

Answer 1

P(x)=4x^3+4x^2-x-1

F(x)=2x+1

=x=-1/2

P(-1/2)=0.....put -1/2 8n place of x and you will get o

So p(x)is a multiple of f(x)

Hope this helps

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