Answers

2014-07-20T18:59:15+05:30
P+1/p=3
p+1=3p
1=3p-p
1=2p
1/2=p
0.5=p
now
p-1/p
=
0.5-1/0.5
-0.5/0.5
=-1
answer is -1

0
2014-07-21T10:01:46+05:30
Sub -2 from both sides
p+1/p  -  2  =  3  -  2
1-p/p  =  1
multiplying by -1
p-1/p  =  -1

0
guys u all are wrong ans is root5