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|X ^ 2-2x | < 3 this is a problem of inequality in senior high school You can see it
Inequality | x ^ 2-2x|
RELATED INFORMATIONS
- 1. Two simple high school inequality questions ~ speed 1. Proof: the square of a + the square of B ≥ AB + A + B-1 2. Verification: 2 (radical (n + 1) - 1) < 1 + 1 / (radical 2) + 1 / (radical 3) + +1 / (radical n) < 2 (radical n)
- 2. If a ＞ B ＞ C, n ∈ n *, and 1a − B + 1b − C ≥ Na − C holds, then the maximum value of n is______ ．
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- 7. Solve the following system of inequalities 1) 1＜(2X-5)÷3＜3 [X-(2÷3)]+5≥2X-(3÷2) 2) The equation about X when k is a value 3K(X+2)+2=5X=8 The solution is not greater than 3? 2) The equation about X when k is a value 3K(X+2)+2=5X+8 The solution is not greater than 3?
- 8. (2/x)-(2/x-1)>0
- 9. 2X^4-x^2-6>0
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- 11. The solution set of inequality (xsquare-2x-3) (x + 1) 0 is
- 12. Solution set of inequality 2x-x with square = 0
- 13. The selling price of a commodity is 150 yuan, and the profit of a commodity sold by the merchant is 10% ~ 20% of the purchase price. What is the range of the purchase price (accurate to 1 yuan) The inequality I listed is that x + x times 10% is less than or equal to 150 I write the second inequality separately. X + x times 20% is greater than or equal to 150 They form a system of inequalities
- 14. Solving inequality system (solving method, process, format) 5x+6>4x 15-9x5x+1 11-2x
- 15. The maximum value of basic inequality a,b＞0.ab≥1+a+b Find the minimum of a + B?
- 16. The maximum value problem of basic inequality Let x > 0, Y > 0, and XY (x + y + 1) = 1, then the minimum value of (x + y) (y + 1) is
- 17. How to use the basic absolute value inequality to get the maximum value? Using the basic absolute value inequality to find the maximum value of y = | x-3 | + | x + 2 |? y=|x-3|-|x+2| What about a minus sign?
- 18. 10> The minimum value of 0,3x + 12 / x square, where x is taken as? be careful! Square on denominator!
- 19. Finding the best value of basic inequality It is known that 4A ^ 2 + B ^ 2 = 6 Finding the minimum of a + B The known condition is changed to a ^ 2 + 2 (b ^ 2) = 6 The minimum value of a + B is - 3, which should be solved by basic inequality.
- 20. Ratio (related to inequality) Given that X and y are real numbers, M = x ^ 2 + y ^ 2 + 1, n = x + y + XY, then the relation between M and N is