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

RELATED INFORMATIONS

• 1. 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______ ．
• 2. 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
• 3. The equation: (1 / 2) ^ x + sinx-1 = 0 has several solutions Is there a solution less than 0?
• 4. SiNx = 1 / 2, find the expression of X
• 5. There is only one root for the quick verification equation SiNx = X
• 6. 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
• 7. 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
• 8. To solve the rational number formula: - 32 × (- 1 / 2) to the third power + (- 1 / 27) × (- 3) to the second power
• 9. Finding the derivative of lgx + SiNx of y = C
• 10. The value of the derivative of the function y = x2lg2 + 2 to the x power lgx at x = 1 is
• 11. The real root of the equation x2 + 2x + K + 1 = 0 of X is x1, X2 if X1 + x2-x1x2
• 12. 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?
• 13. (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
• 14. 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
• 15. On the equation x & # 178; + KX + 4K & # 178; = K-3 = 0 of X, there are two unequal real roots, one of which is 0 If there is m, the absolute value of the difference between the two is 1
• 16. On the equation 2kx & # 178; + 4x + 8 = 0 of X, there are two real roots x, Y. question: if two real roots x, y satisfy x-2y = 5, find the value of K. I have listed the ternary equation, ①x﹢y=﹣1／k；②xy=k／4；③x-2y=5 If anyone can help me figure it out,
• 17. If the equation (A-1) x ^ 2-4x-2 = 0 has two real roots, find the value range of A Urgent need
• 18. Given that one of the two real roots of the equation x ^ 2-4x-2m + 8 = 0 is greater than 1 and the other is less than 1, the value range of M is obtained Please give it to me by tonight. I'm going to school tomorrow,
• 19. Using Rolle's theorem to prove that the equation x ^ 3-3x + 1 = 0 has and only has one real root in (0,1) You have to use rolle
• 20. Finding the general solution of Y ^ n = x-sinx