Question

please (ii)no. of 6​

Answer 1

Step-by-step explanation:

1/1+x a-b. + 1/1+x b-a =1

=1/1+x a/x b + 1/1+x b/x a=1

=1/x b+x a/x b +1/x a+x a/x a=1

=x b/x b+x a + x a+x b=1

=xa+xb/xa+xb=1

=1=1

proved

Hope you can understant.