已知a,b实数,且ab=1设p=a/a+1 +b/b+1.q=1/a+1 +1/b+1则pq=....已知a,b实数,且ab=1设p=(a/a+1) +b/(b+1).q=1/(a+1) +1/(b+1)则pq=

问题描述:

已知a,b实数,且ab=1设p=a/a+1 +b/b+1.q=1/a+1 +1/b+1则pq=
.
.
.
.
已知a,b实数,且ab=1设p=(a/a+1) +b/(b+1).q=1/(a+1) +1/(b+1)则pq=