The expression a/a-b + b/b-a is equivalent to
a) 1
b)-1
c) ab/a-b
d)a+b/a^2-b^2
please help!
I bet you mean
a/(a-b) + b/(b-a)
a/(a-b) - b/(a-b)
(a-b)/(a-b)
1
a) 1
b)-1
c) ab/a-b
d)a+b/a^2-b^2
please help!
a/(a-b) + b/(b-a)
a/(a-b) - b/(a-b)
(a-b)/(a-b)
1