求下列函数定义域 1.y=√(4-x²)+1/(|x|-3) 2.y=√[x(x-1)]+√x 3.y=1/√(x²-3x+2)
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![求下列函数定义域 1.y=√(4-x²)+1/(|x|-3) 2.y=√[x(x-1)]+√x 3.y=1/√(x²-3x+2)](/uploads/image/z/2554365-21-5.jpg?t=%E6%B1%82%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E5%AE%9A%E4%B9%89%E5%9F%9F+1.y%3D%E2%88%9A%EF%BC%884-x%26%23178%3B%EF%BC%89%2B1%2F%EF%BC%88%7Cx%7C-3%EF%BC%89+2.y%3D%E2%88%9A%5Bx%EF%BC%88x-1%EF%BC%89%5D%2B%E2%88%9Ax+3.y%3D1%2F%E2%88%9A%EF%BC%88x%26%23178%3B-3x%2B2%EF%BC%89)
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求下列函数定义域 1.y=√(4-x²)+1/(|x|-3) 2.y=√[x(x-1)]+√x 3.y=1/√(x²-3x+2)
求下列函数定义域 1.y=√(4-x²)+1/(|x|-3) 2.y=√[x(x-1)]+√x 3.y=1/√(x²-3x+2)
求下列函数定义域 1.y=√(4-x²)+1/(|x|-3) 2.y=√[x(x-1)]+√x 3.y=1/√(x²-3x+2)
1) 4-x^2>=0,得:-2=0,得:x>2 or x
1
【-2,2】
2
【1,+ ∝) ∩{0}
3
(- ∝,1) ∩ (2,+ ∝)