It's 1 divided by x2 . ( That's exactly the same number as x-2 . )
1
1/x *2
0.7143
3
No.
1
1/x *2
0.7143
x^(ln(2)/ln(x)-1)
-(x-1)-1 or -1/(x-1)
3
3
That's the same as x to the power minus two.
0.5
No.
X^4 divided by Y^2
2 divided by x-12-x divided by x-2 is -1/(6(x-2)).