解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)+1/2 ③4x^2/[1-√(1+2x)]^2<2x+9解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)=1/2 ③4x^2/[1-√(1+2x)]^2<2x+9
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![解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)+1/2 ③4x^2/[1-√(1+2x)]^2<2x+9解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)=1/2 ③4x^2/[1-√(1+2x)]^2<2x+9](/uploads/image/z/613923-51-3.jpg?t=%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8F%3A%E2%91%A0%E2%88%9A%283-x%29-%E2%88%9A%28x%2B1%29%3E1%2F2+%E2%91%A1%E2%88%9A%283-x%29%3E%E2%88%9A%28x%2B1%29%2B1%2F2+%E2%91%A24x%5E2%2F%5B1-%E2%88%9A%281%2B2x%29%5D%5E2%EF%BC%9C2x%EF%BC%8B9%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8F%3A%E2%91%A0%E2%88%9A%283-x%29-%E2%88%9A%28x%2B1%29%3E1%2F2+%E2%91%A1%E2%88%9A%283-x%29%3E%E2%88%9A%28x%2B1%29%3D1%2F2+%E2%91%A24x%5E2%2F%5B1-%E2%88%9A%281%2B2x%29%5D%5E2%EF%BC%9C2x%EF%BC%8B9)
解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)+1/2 ③4x^2/[1-√(1+2x)]^2<2x+9解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)=1/2 ③4x^2/[1-√(1+2x)]^2<2x+9
解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)+1/2 ③4x^2/[1-√(1+2x)]^2<2x+9
解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)=1/2 ③4x^2/[1-√(1+2x)]^2<2x+9
解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)+1/2 ③4x^2/[1-√(1+2x)]^2<2x+9解不等式:①√(3-x)-√(x+1)>1/2 ②√(3-x)>√(x+1)=1/2 ③4x^2/[1-√(1+2x)]^2<2x+9
一、
根号(3-x)-根好(x+1)>1/2
3-x>x+1+1/4+根号(x+1)
49/16-7x+x^2>x+1
4(x-1)^2>39/16
x>根号39 /8 +1,x=x>=-1,
x€[ -1,1-根号39/8)&(1+根号39/ 8,3]
二、
根号(3-x)>根号(x+1)+1/2
同一解
三、
4x^2/[1-根号(1+2x)]^2=2x+9
此题涉及一元四次,你可了解一下
一、
根号(3-x)-根好(x+1)>1/2
3-x>x+1+1/4+根号(x+1)
49/16-7x+x^2>x+1
4(x-1)^2>39/16
x>根号39 /8 +1,x<1-根号39 /8
3>=x>=-1,
x€[ -1,1-根号39/8)&(1+根号39/ 8,3]
二、
根号(3-x)>根号(x+1)+1/2