9. IF 2 and 0 are the zeros of the polynomial f(x) = 28 -5x + ax + b then
find the values of a and b.
Answers
Answered by
0
Answer:
p(x)=28-5x+ax+b
g(x)=2
p(2)=28-5×2+a×2+b
=28-10+2a+b
=18+2a+b
2a+b=-18 (1)
p(0)=28-5×0+a×0+b
=28+b
b=28
=putting b=28 in (1)
2a+b=-18
2a+28=-18
=2a=-18-28
a=-46/2
a=-23
Answered by
0
Answer:
f2= 28-5×2+a×2+ b
=18+2a+ b
f0 = 28-5×0+a×0+b
= 28+b
18+2a+b=28+b
18+2a=28
2a = 10
a= 5
b=0
Similar questions