(2根号2-3根号3)(3根号3-2根号2)等于多少?
问题描述:
(2根号2-3根号3)(3根号3-2根号2)等于多少?
答
-(2√2-3√3)(2√2-3√3) =-(2√2-3√3)^2 =-(√8-√27)^2 =-(8+27-12√6) =-35+12√6
(2根号2-3根号3)(3根号3-2根号2)等于多少?
-(2√2-3√3)(2√2-3√3) =-(2√2-3√3)^2 =-(√8-√27)^2 =-(8+27-12√6) =-35+12√6