If and only if the absolute value + B of F (x) = x (SiNx + a) is odd? The answer is a ^ 2 + B ^ 2 = 0
Substituting (0,0) point · > b = 0, then substituting > A = 0
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RELATED INFORMATIONS
- 1. The known set a = {x | (X-2) [x - (3a + 1)]
- 2. Set P = {X / A + 1 ≤ x ≤ 2A + 1}, Q {- 2 ≤ x ≤ 5} 1) If a = 3, find the set (cup) ∩ Q: 2) If P is a subset of Q, find the value range of real number a
- 3. It is known that a = {x-4 < x < 6}, B = {x 3a < x < a, a ∈ r}, 1. If a ∩ B = empty set, find the value range of real number a; 2. If a ∪ B = a, find the value range of real number a
- 4. Given the square of (2a-1) + [B-2] = 0, find the value of cube of a + cube of B
- 5. Merge similar items 2a-3a + 3 / 2A =?
- 6. The second power of 10A + 8A + the second power of 7a + 5a-6 What is after merging the same category
- 7. Given a ^ 2 + B ^ 2-8a-1b + 41 = 0, get the value of 5a-b ^ 2 + 25
- 8. Is the merging congener of the second power of 10A + 8A + the second power of 7a + 5A - 6 the second power of 13A + 17a - 6?
- 9. Let a and B be the two sides of a triangle, and let a square plus b square minus 8A minus 10B plus 41 = 0?
- 10. Square of (5a + 2b) - 9b square
- 11. 2.5 times of a number is 12 less than 5 / 8 of 20. What's the number
- 12. 2 / 1, - 3 / 2,4 / 3, - 6 / 5,9 / 8. Permutation rule and general term formula
- 13. Number reasoning Question 5: 1,4,7,2,8,3, (), 9 A.6 B.5 C.2 D.1 What to choose
- 14. (- 9 and 1 / 3) - | - 4 and 5 / 6 | + | - 0-5 and 1 / 6 | - 2 / 3
- 15. Decompose the natural numbers a and B into prime factors to get a = 2 * 5 * 7 * m and B = 3 * 5 * M. if the least common multiple of a and B is 2730, how much is m?
- 16. One fifth of a number is 20 less than one third of it. Find the number (solution of a series of equations)
- 17. The weight of human blood accounts for about 8% of the body weight. Xiao Ming's weight is 40 kg
- 18. Answer within 1 hour that you have wealth! As shown in the figure, the parabola intersects the x-axis at two points a and B (point a is on the left side of point B), and intersects the y-axis at point C. It is known that the area of B (8,0), △ ABC is 8 (1) Find the analytical formula of parabola; (2) If the moving line ef (EF / / X-axis) starts from point C and moves along the negative direction of y-axis at the speed of 1 unit of length per second, and intersects Y-axis and segment BC at two points E and F, the moving point P starts from point B at the same time and moves towards the origin o at the speed of 2 units per second on segment ob. Connect FP and set the movement time T seconds. When the value of T is, the value of T is the largest, and the maximum value is obtained; (3) If (2) is satisfied, is there a value of t such that the triangle with vertices P, B and F is similar to △ ABC. If it exists, try to find the value of T; if it does not exist, explain the reason.
- 19. The term of polynomial 5x-4xy & # 178; + 3 is (), the highest degree term is (), and the constant term is ()
- 20. What is 3A + 4b-3c + 2a-3b + 2C? 3A + 4b-3c + 2a-3b + 2C?