simplify (1/x + y)^(-1)

NEHA said:
Simplify (1/x + y)^(-1)
Do you mean [(1/x) + y]<sup>-1</sup>? Or [1/(x + y)]<sup>-1</sup>? Or something else?

What have you tried? How far have you gotten?

Please be specific. Thank you.

Eliz.
 
stapel said:
NEHA said:
Simplify (1/x + y)^(-1)
Do you mean [(1/x) + y]<sup>-1</sup>? Or [1/(x + y)]<sup>-1</sup>? Or something else?

What have you tried? How far have you gotten?

Please be specific. Thank you.

Eliz.


second one ....the second problem that u put.
so far i did

1^-1
and then x^-1 + y^-1
which seems to me as .. not quiet right
 
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