If x − 2 is a factor ofx2−bx+b, where b is a constant, what is the value of b ?
Matematika
abraham26
Pertanyaan
If x − 2 is a factor ofx2−bx+b, where b is a
constant, what is the value of b ?
constant, what is the value of b ?
1 Jawaban
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1. Jawaban revha1544086
2-bx+b
(1-x)b+2=0
(1-x)b= -2
b = -2/(1-x)
if x-2=0 ; x=2 --->>>b = -2/(1-2)= 2