You can
put this solution on YOUR website! 
If a negative exponent is there, it can be converted into a positive one by
bringing the base as denominator and the negative exponent as positive. For
example,
can be written as
. In the same way, the nos.
having negative index should be first converted as positive indices.
So
=
*
*
/
=
*
*
*
=
*
=
Answer.
I hope this is clear to you.
gsm
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