设a>0,b>0,a+b=1 (1)求证:ab+1/ab>=41/4 (2)探索猜想,并将结果填在横线上:

设a>0,b>0,a+b=1 (1)求证:ab+1/ab>=41/4 (2)探索猜想,并将结果填在横线上:
设a>0,b>0,a+b=1 (1)求证:ab+1/ab>=41/4 (2)探索猜想,并将结果填在横线上:

设a>0,b>0,a+b=1 (1)求证:ab+1/ab>=41/4 (2)探索猜想,并将结果填在横线上:
a+b=1 a+b>=2√ab 0