Mimi_x3
  • Mimi_x3
Can you please help me with this maths question 1. Let P(x) = (x+1)(x-3)Q(x)+a(x+1)+b , where Q(x) is a polynomial and a and b are real numbers When P(x) is divided by (x+1) the remainder is -11. When P(x) is divided by (x-3) the remainder is 1. (i) What is the value of b? (ii) What is the remainder when P(x) is divided by (x+1)(x-3) ?
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
you want complete solution or jst answer
Mimi_x3
  • Mimi_x3
complete solution please xD
anonymous
  • anonymous
ok

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saifoo.khan
  • saifoo.khan
u helping?
anonymous
  • anonymous
p(-1)=b but r=-11 therfore b=-11
anonymous
  • anonymous
now find a
anonymous
  • anonymous
p(3)=4a+b b=-11 and R=1 1=4a-11 4a=12 a=3
Mimi_x3
  • Mimi_x3
thanks (:
anonymous
  • anonymous
II)R=-11
anonymous
  • anonymous
no problem
Mimi_x3
  • Mimi_x3
reason for r = -11
anonymous
  • anonymous
because R1xR2 R1=-11 R2=1 R=-11
Mimi_x3
  • Mimi_x3
ohh yeah , thanks (:
Mimi_x3
  • Mimi_x3
nahh
anonymous
  • anonymous
ok
Mimi_x3
  • Mimi_x3
Hashir , btw the answer for (ii) is 3x-8 xD

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