X-x square + 6 < 0

RELATED INFORMATIONS

• 1. 1. Given the equation x ^ 2-5x-1 = 0 about X, find (1) x ^ 2 + 1 / x ^ 2 (2) x + 1 / X Given x + 3Y + 5Z = 0 2x + 3Y + Z = 0 XYZ ≠ 0, find (2y-x) (2Y + x) △ Z ^ 2 (Z ^ 2 is the square of Z) 3. Factorization: (1) (X-Y + Z) ^ 2 - (x + Y-Z) ^ 2 (2)x^3+6x^2+11x+6
• 2. To solve the equations: 3x + 4Y = 115x − y = 3
• 3. Mathematical problems (- 8.2) + 10 + 2 + (- 1.8), (0.8) + (0.7) + (- 2.1 = 0.8 + 3.5) 1 / 4 + (- 2 / 3) + 4 / 5 + (- 1 / 4) + (- 1 / 3) in addition, who has the answer to the mathematics exercise book of the second semester of grade 6? I want 5.5.6 from Shanghai OK, I'll give 100. If I can't play that much, it's 5.4
• 4. 3 * 3-1 * 1 = 8 * 1 5 * 5-3 * 3 = 8 * 2 7 * 7-5 * 5 = 8 * 3... How to describe and prove such a rule in words 3 * 3-1 * 1 = 8 * 1 5 * 5-3 * 3 = 8 * 2 7 * 7-5 * 5 = 8 * 3... How to describe and prove such a rule in words?
• 5. 5^6*5^-3=5^6*1/5^3=5^6/5^3=5^6-3=5^3=5^6+(-3) 7^4/7^-2=7^4/1/7^2=7^4*7^2=7^4+2=7^6=7^4-(-2) 1) Is the calculation of the above two cities correct? (2) According to the above operation process, do you have any new understanding of a ^ m * a ^ n = a ^ m + n (m, n are positive integers), a ^ m / A ^ n = a ^ M-N (m, n are positive integers, and M > N, a ≠ 0)? (3) It is to calculate with the new knowledge you get: ① the - 3rd power of 3 * the - 2nd power of 3; ② the - 7th power of 8 / the - 4th power of 8
• 6. Suppose 1 = 5, 2 = 6, 3 = 7, 4 = 8, 5 =? Additional questions: 10 =? Intelligence questions It's all about intelligence. It's not that simple
• 7. Let u = R, a = {x | x2-5x-6 = 0}, B = {x | - a ＜ X-5 ＜ a}, and 11 ∈ B, why (CUA) UB = R
• 8. Let u = {x | X be less than or equal to 5, and X belong to n *}, a = {x | x ^ 2-5x + q = 0}, B = {x | x ^ 2 + PX + 12 = 0}, and (CUA) UB = {1,2,3,4,5} Finding p q Is the question wrong? It's impossible,
• 9. If a = {X / x = a + B = ab-3, a, B ∈ (0, + ∞)} complete set u = R, then CUA=
• 10. Let u = R, a = {x | x ≠ 1}, then CUA=
• 11. How to solve the problem of x square - x ＞ 6
• 12. The solution of x square + X-6 < 0
• 13. Mathematics problem! Solving inequality (process) 4x-2≥5x+7 x+15>2x-3 6（x+2)≤3x-1 5（x+2)≤6x+1 3x-1≥6x-2 5(x+2)3x+20 x-5/4 +1≤6x-2 3x+4>x/2 -1
• 14. 1、 (x-1) (x + 2)
• 15. For the first problem of 1QB, if the set of inequality (3a-2) x ＜ 1 about X is x ＜ 2, then the value of a is_____
• 16. 1 + 1 / radical 2 + 1 / radical 3 +. + 1 / radical n I'm very grateful to so many warm-hearted people, but I said that I'm a freshman in high school and I still can't use induction, but I'm very grateful
• 17. A mathematical problem of inequality in senior one If two angles a and B satisfy - π / 2
• 18. Mathematical problems of inequality group The price and quantity of goods bought by the two stores are the same. Store a: after purchasing 200 yuan goods, you can apply for a 20% discount card, and later you can enjoy a 20% discount when purchasing goods; store B can apply for a 10% discount card when purchasing 100 yuan goods, and later you can enjoy a 10% discount when purchasing goods At the beginning, we need to use the system of inequalities to solve the problem, not to discuss it by classification,
• 19. Inequality and inequality group mathematical problems In a competition, a shooter hits 54 rings in the first six shots. If he wants to break the record of 91 rings (10 times), how many rings can he have in the seventh shot? (2) if the seventh shot is 8 rings, how many times must he hit 10 rings in the last three shots to break the record? (3) if the seventh shot is 10 rings, Do you have to hit 10 rings at least once in the last three shots to break the record?
• 20. If the inequality system 3x − 1 ≥ a + 12 − x > 1 − 2A has no solution, then the value range of a is______ ．