Question

find the exluded value pls ...I need help ...I will medal

Answer 1

2/(x^2-1)+x/(x^2-2x+1)

Answer 2

set x^2-1 equal to zero and solve

set x^2-2x+1 equal to zero and solve

Answer 3

this is done because you cannot divide by zero

Answer 4

huh @jim_thompson5910 im confused

Answer 5

are you able to solve x^2-1 = 0 ?

Answer 6

yes ..I got x=1,-1 @jim_thompson5910

Answer 7

good

Answer 8

how about x^2-2x+1 = 0

Answer 9

I got x=1 double root @jim_thompson5910

Answer 10

so x = -1 and x = 1 are the excluded values. They are excluded to avoid dividing by zero.