Question

in chapter polynomial question number 2.1 NCERT book chapter polynomial chapter 2.3 1st question 2.3 2.3 first questions 21st question find the remainder when x cube + 3 x square + 3 x + 1 is divided by x + 1 find the answer

Answer 1

x+1=0

x=-1

Put x=-1 in P(x)

P(x)= 3x*3+3x*2+3x+1

= 3(-1)*3+3(-1)*2+3(-1)+1

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

= -3+1

= -2