Question

If x= 2 and x=3 are zeroes of the polynomial polynomial x2 +ax+b , then find the values of a and b


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Answer 1

Answer:

a = -5 | b= -4+10=6

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let p(x)=x²+ax+b

if x=2

p(2)=0

2²+a*2+b=0

4+2a+b=0

2a+b+4=0 say equ 1

if x=3

p(3)=0

3²+a*3+b=0

9+3a+b=0

say equ 2

now from 1 and 2

2a+b+4=9+3a+b

2a+4=9+3a

4-9=3a-2a

a=-5

in equ 1

2a+b+4=0

-10+b=-4

b=-4+10

b=6

hope this helps you