Question

using remainder theorem find
(1) p(x)=x4+3x3+3x2+x+1 by (x+1)

Answer 1

p(-1) = (-1)⁴+3(-1)³+3(+1)²+(-1)+1

p(-1) = 1+-3+3-1+1

p(-1) = 1

hope it helps and my answer is correct