Xn power - XN-1 power + 1 / 4xn-2 power
Xn power - XN-1 power + 1 / 4xn-2 power
=x^(n-2)(x²-x+1/4)
=x^(n-2)(x-1/2)²
RELATED INFORMATIONS
- 1. The monotone decreasing interval of 2-3x ^ 2 power of function y = 3 is
- 2. On the equation of X, the square of X-2 (M + 2) x + (the square of m-1) = 0 (1) When m is a real number, the equation has two positive real roots (2) When m is a real number, the equation has a positive real root and a negative real root
- 3. The sixth power of (A's Square b) / the fifth power of (A's Square b)
- 4. Let the quadratic function f (x) = x ^ 2 + BX + C satisfy f (1) = - 4, f (2) = - 3,5 * f (4), and find the minimum value of this function
- 5. 1. The minimum value of quadratic function is 1, f (1-x) = f (3 + x), f (0) = f (2) to find f (x) 2. Y = x & # 178; - 2aX + 1 is an increasing function on [0,1], and the range of a is obtained
- 6. If the square of X + 2 (M-3) x + 49 is a complete square, M =? 3Q
- 7. If the quadratic trinomial x ^ 2-6x + m ^ 2 is a complete square, then the value of M is
- 8. Fill in the blanks: the root of equation (x + 1) = x + 1 is? If x square + 6x + k is a complete square expression, then the value of K is?
- 9. If the square of X + 2x + k is a complete square, then k =
- 10. Given that the parabola y = 2x2 + 6x + m intersects the X axis at points a and B, and ab = 2, then M=______ .
- 11. If the square of inequality X - 6x > = n is (O, 1] constant for any x, then the value range of n is?
- 12. Solving inequality: 1-x square + 6x > 0
- 13. 2 (x + 2) & gt; 3 + 2x and Y-3 ≥ 1, who is a unary linear inequality Why is Y-3 ≥ 1 not (⊙ o ⊙?) don't understand (⊙ o ⊙?) don't understand (⊙ o ⊙?) don't understand (⊙ o ⊙?) don't understand
- 14. If x and y are positive integers, and 2x times 2Y equals 32. Find the value of X and y If x and y are positive integers, and the x power of 2 multiplied by the Y power of 2 equals 32................. Write the detailed process with the passage
- 15. If the solutions of the linear inequality 4x + A / 3 > 1 about X are all the solutions of the linear inequality 2x + 1 > 0, then the value range of a is
- 16. Solving the system of linear inequalities of one variable: 2x > 1-x; X + 2 < 4x-1 need detailed process, thank you, everyone
- 17. When k takes what value, the square of the inequality 2kx + KX + 3 / 8 > 0 holds for all real numbers X
- 18. Will (2-3x) + (3x-2) square = 0 be factorized
- 19. The square-5x-12 of solving inequality 2x is less than or equal to 0
- 20. Let a > 0, solve the inequality about X (AX-1) / (x ^ 2-1) > 0, thank you!