Sagot :
For me, the answer is D. No, because the numerator and the denominator can still be divided out.
Explanation:
1+x/x+1 is not yet in its simplest form.
Why?
- 1 + x is just the same as x + 1, meaning you can still transform it to its lowest term, by canceling out x+1 in both numerator and denominator.
- Therefore the simplest form of 1+x/x+1 is 1.