Math, asked by kh3anividyakh4neety, 1 year ago

Check whether p (x)=4x cube +4x square -x-1 is a multiple of 2x+1

Answers

Answered by vinosharubalitanu
0
p(x)=4x³+4x²-x-1
g(x)=2x+1
g(x)=0
2x+1=0
2x=-1
  x=-1/2
p[-1/2]=4[-1/2]³+4[-1/2]²-[1/2]-1
          =4×[-1/8]+4×1/4-1/2-1
          =-1/2+1/1-1/2-1/1
          =-1/2+2/2-1/2-2/2
          =-1+2-1-2/2
          =1-3
          =-2
2x+1 is not a multiple
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