Question

Find the value of the polynomial p(x)=x4-4x3+3x2-1,-1/3,1/2 and-2

Answer 1

consider -2,-1/3 & 1/2 as x1,x2 & x3 respectively.then put the x1 in p(x) i.e p(x1) you will get 59. same process for the x2 & x3. p(x2)= -41/81. ,. p(x3)=. -11/16