y=2√(x-2)+3√(4-x)
定义域为x-2>=0,且4-x>=0,即2=
求函数y=2倍的根号下x-2+3倍的根号下4-x的最大值
求函数y=2倍的根号下x-2+3倍的根号下4-x的最大值
数学人气:430 ℃时间:2019-10-23 11:46:57
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