Let a = {x | x2 ＜ 4}, B = {x | (x-1) (x + 3) ＜ 0} (1) find the set a ∩ B; (2) if the solution set of inequality 2x2 + ax + B ＜ 0 is B, find the value of a and B

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• 1. If the solution set of inequality 1 / 3 (x-a) > 2-A is x > 2, then the value of a is X,
• 2. The solution set of inequality | X-1 | + | X-2 | > 3 is______ ．
• 3. The solution set of inequality (x + 1) (X-2) / (x-4) (x + 3) < 0 is
• 4. Given that f (x) holds for any real number a, B, f (AB) = f (a) + F (b) (1) find the values of F (0) and f (1) F (0) = f (0) + F (0), so f (0) = 0 F (1) = f (1) + F (1), so f (1) = 0 I can't understand the solution process. Why is it equal to zero?
• 5. It is known that f (AB) = f (a) + F (b) holds for any real number a and B 1) Finding the value of F (1) and f (0) 2) If f (2) = P, f (3) = q (P, q are constant), find the value of F (36) 3) Prove f (1 / x) = - f (x)
• 6. It is known that f (AB) = f (a) + F (b) holds for any real number a and B. find the values of F (0) and f (1) F (0) = f (0) + F (0), so f (0) = 0 F (1) = f (1) + F (1), so f (1) = 0 Why is it all equal to zero?
• 7. 1、 It is proved that when a and B take any real number, the value of square of polynomial a + square of polynomial b-2a + 8b + 18 is always positive 2、 It is proved that for any real number x, y, the square of polynomial 2x-6xy + 9y-4x + 5 is always positive There are two questions,
• 8. Proof: no matter a, B take any real number, the value of polynomial a * b * + b * - 6ab-4b + 14 is not less than 1
• 9. A polynomial minus A2-B2 equals A2 + B2 + C2, then If a polynomial minus A2-B2 equals A2 + B2 + C2, then the original polynomial is? Hurry!
• 10. Given that a and B are real numbers, and the square of a plus the square of B minus 2A minus 4B plus 5 is equal to 0, find the value of 2009 power of a multiplied by negative 2 power of B, and ask for the help of Dashen
• 11. Given the set a = {0, 2, A2}, B = {1, a}, if a ∪ B = {0, 1, 2, 4}, then the value of real number a is______ ．
• 12. Let a = {1,3, a}, B = {1, a2-a + 1}, and a contain B, then the value of a is__ Given that x2 ∈ {1,0, X}, then the value of real number x is__ .
• 13. If the function f (x) = loga [1 - (2a-1) x] is an increasing function in the interval [2,4], then the value range of a I know the answer. But why can't I get the interval
• 14. Given that the value of y = loga (3a-1) is always positive, then the value range of a is______ ．
• 15. Given that the value of y = loga (3a-1) is always positive, then the value range of a is______ ．
• 16. Y = loga (2a + 1)
• 17. The sum of all negative integers whose absolute value is greater than 3.6 but less than 6.3 is -? What time is it
• 18. How many negative integers are there with absolute value less than 3? How many integers are there?
• 19. Negative integers with absolute values greater than 1 / 3 and less than 7 / 3 are
• 20. The sum of all integers with absolute values greater than 100 and less than 2012 is