Question

please solve this question of maths ... :)​

Answer 1

Answer:

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Step-by-step explanation:

first of all let’s understand mod function mathematically.

|x| = +x if x is positive

and

|x| = -x if x is negative

So for f(x) =|x-1|/x-1

if x-1 is positive or x>1 then f(x) =(x-1)/(x-1) = 1

and if x-1 is negative or x<1 then f(x) =-(x-1)/(x-1) = -1

for x=1 f(x) = 0/0 hence this case is forbidden as domain as well as range.

So for this function

Domain : All real numbers except ‘1’

and Range : -1 or +1

Happy Learning..!!