已知ab=1 求（a+1）分之a +（b+1）分之b
问题描述：
已知ab=1 求（a+1）分之a +（b+1）分之b
答
∵ab=1∴b=1/a 从而（a+1）分之a +（b+1）分之b =a/(a+1)+b/(b+1) =a/(a+1)+1/a/(1+1/a) =a/(a+1)+1/a*a*/(a+1)...
已知ab=1 求（a+1）分之a +（b+1）分之b
∵ab=1∴b=1/a 从而（a+1）分之a +（b+1）分之b =a/(a+1)+b/(b+1) =a/(a+1)+1/a/(1+1/a) =a/(a+1)+1/a*a*/(a+1)...