[질문] (1/16)x제곱-□x+(1/9)이완전제곱식일때 □는? 식좀알려주세요

(1/16)x제곱-□x+(1/9)=ax제곱±2ab+b제곱이라고할때a=1/4,b=1/3.따라서□=(1/6),-(1/6)을동시에만족!정리하면{(1/4)x±(1/3)}제곱입니다.