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
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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
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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