Given the square of the algebraic formula x + ax + B, when x = - 1, its value is 5; when X-1, its value is - 1. Find the value of a and B

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• 1. In the square + BC of the algebraic expression ax, if x = 5, its value is 45 and x = - 2, its value is 10, then a = B=
• 2. Given the square of the algebraic formula ax + BX + 2, when x = 1, its value is 1:; when x = - 1, its value is 5. Find the value of a and B
• 3. If x = 1, the value of the algebraic formula ax * ax * ax + BX + 7 is 4. Then when x = - 1, what is the value of the algebraic formula ax * ax * ax + BX + 7?
• 4. -6 3 5 - 4 - 2 7 find the next number
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• 7. Mother said, "when you grow up, you have to learn to see a doctor yourself." mother said to the woman loudly, "I'm glad he likes reading books."
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• 9. What is the coefficient of the cube of the square y of the monomial negative 9x divided by 5? Nothing to add!
• 10. It is known that the line L: y = K (x + 2 √ 2) intersects the circle 0: X & sup2; + Y & sup2; = 4 at two points a and B, O is the origin of the coordinate, and the area of the triangle ABO is s (1) Try to express s as a function s (k) and find its domain of definition; (2) Find the maximum value of S and the value of K when the maximum value is obtained (√ means under the root)
• 11. For the cubic function f (x) = x ^ 3-3x ^ 2-3mx + 4 (M is a constant), the monotone interval of F (x) is obtained
• 12. Let f (x) = X-2 / x-alnx. When a = 3, find the extremum of FX
• 13. Given the function f (x) = alnx + 2 / x + X, 1, where a belongs to R. if a = 1, find the extreme point of F (x) 2. If f (x) increases in the interval [1, + infinity], find the value range of A
• 14. Finding the extremum of a given function f (x) = x-alnx (a ∈ R)
• 15. How to judge whether the extreme point is a maximum or a minimum in the derivative function Such as the title
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• 19. Given the quadratic function y = AX2 + BX + C, when the independent variable x takes X1 and X2, the function values are equal, then how to write the function when the independent variable x takes X1 + x2?
• 20. Let f (x) = ax ^ 2 + BX (a ≠ 0) satisfy the condition 1. F (- 1 + x) = f (- 1-x); there is only one common point between the image of 2 function f (x) and the line y = X