答:
y=√(2x-6)+√(6-2x)+3
定義域滿足:
2x-6>=0
6-2x>=0
6<=2x<=6
x=3
代入y=0+0+3=3
所以:
x^y=3^3=27
已知x y都是實數(shù) 且y=根號2x-6+根號6-2x+3求x的y次冪的值
已知x y都是實數(shù) 且y=根號2x-6+根號6-2x+3求x的y次冪的值
數(shù)學(xué)人氣:475 ℃時間:2020-04-06 04:28:41
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