Verification: no matter what the real number of M is, the straight line (2m-1) x - (M = 3) y - (M-11) = 0 is constant over a certain point, and the fixed-point coordinates are obtained

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• 1. Given the M & # 178; - 3 power + m + 1 of the first-order function y = (m-2) x, several problems are raised to solve the function expression, To be complete We need to raise a few more questions
• 2. To solve the rational number formula: - 32 × (- 1 / 2) to the third power + (- 1 / 27) × (- 3) to the second power
• 3. Finding the derivative of lgx + SiNx of y = C
• 4. The value of the derivative of the function y = x2lg2 + 2 to the x power lgx at x = 1 is
• 5. -What is the x-th derivative of 3?
• 6. (1) The third power of lgx = - 3 to find the value of X
• 7. Lgx power of x = 10 ball x
• 8. Let a and B be the two roots of the equation (lgx) ^ 2-lgx ^ 2-2 = 0. Find logab (note a is the subscript. B is the superscript. + logba (Note b is the subscript. A is the superscript) =?
• 9. Using dichotomy to find the approximate interval of the real root of the - x power - 2x + 5 = 0 of equation 2
• 10. If K is a positive integer and the equation (k ^ 2-1) x ^ 2-6 (3K-1) x + 72 = 0 about X has two unequal positive integer roots, find the value of K
• 11. There is only one root for the quick verification equation SiNx = X
• 12. SiNx = 1 / 2, find the expression of X
• 13. The equation: (1 / 2) ^ x + sinx-1 = 0 has several solutions Is there a solution less than 0?
• 14. Given that one root of the equation x2-ax + A-1 = 0 is greater than 0 and the other root is less than - 2, the value range of real number a is
• 15. If the two real number roots of the equation x2 + (M-3) x + M = 0 about X are unequal positive numbers, then the value range of real number m is______ ．
• 16. When the value of K is, the equation (x-1) / X - (8x + k) / 2x (x-1) + X / (x-1) = 0 about X has and only one real number is its root? And the real root is obtained
• 17. The real root of the equation x2 + 2x + K + 1 = 0 of X is x1, X2 if X1 + x2-x1x2
• 18. If one of the roots of the equation x & # 178; - kx-6 = 0 about X is - 6, what is the value of the real number k?
• 19. (2013 · Anshun) it is known that one root of the equation x2-kx-6 = 0 about X is x = 3, then the value of real number k is () A. 1B. -1C. 2D. -2
• 20. For the equation of X, the square of X + 2 (K + 1) x + k = 0, the sum of two real numbers is m, and for the inequality system of Y > - 4, y < m, there is a real number solution, then the value range of K is