the polynomial p(x)=x⁴-2x³+3x²-9x+3a-7 when divided by x+1 leaves a remainder of 19 find the value of a .also find the remainder when p(x)is divided by x+2
Answers
Answered by
2
- value of a=11/3
- remainder will be88
Answered by
9
Answer:
Step-by-step explanation : g(x) => x+1 = 0
x= -1
p(x) = 9x^4-2x^3+3x^2-9x+3a-7
p(-1) = (-1)^4-2(-1)^3+3(-1)^2-9(-1)+3a-7
= 1+2+3+9+3a+-7
= 15-7+3a
= 8+3a
tking remainder of 19
19=8+3a
19-8=3a
11=3a
11/3 = a
or
a = 11/3
Similar questions