Answers

  • Brainly User
2014-05-03T18:31:07+05:30
Let
 [x+2] is factor of p[x] 
  p[-2]=2*[-2]^3-13[-2]+6
         =2*-8+26+6
         =-16+26+6
         =16
0
2014-05-03T18:36:10+05:30
Let (x+2) be a factor
p(x)=2x³+x²-13x+6 and zero of (x+2) is -2
p(-2)=2(-2)³+(-2)²-13(-2)+6
      =-16+4+26+6
      =20

0
It's NCERT book's question
no
can u plz solve
we will take factors of 6 that are +1,-1,+2,-2,+3,-3,-6,+6 and then one by one we will use them as the value of x as done above.