Question

If x = 3/5 and y = 4/9 find out whether ( x +y)^-1 = x ^-1 + y ^-1
1 ) True
2) False
3) Cannot be determined
4) none of these ​

Answer 1

Answer:

2. False

LHS

x+ y = 47/45 it's inverse is 45 by 47.

RHS

where as x inv + y inv = 5/3+9/4= 47/12