Question

Find the domain of each of the folowing fn. f(x) = x / x^2 - 3x +2 . If x^2 -3x+2 = 0 . Find x.

Answer 1

we knw that p/q q should not be equal to 0

Answer 2

okay

Answer 3

becoz any number divided by 0 is undefined

Answer 4

here in the question x^2 -3x+2 = 0

Answer 5

just factorize it

Answer 6

oh okay .. tnx :)

Answer 7

so domain is {1,2} right ?

Answer 8

it should not be 1,2

Answer 9

R-{1,2} = domain

Answer 10

becoz if u insert 1 ,2 u will get denominator as 0

Answer 11

it should bot be zero

Answer 12

So domain can be any real number expect 1 ,2 so u can write like this R-{1,2} = domain

Answer 13

did u understand??

Answer 14

yea .. ty :)