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If A-1 has square root, then the value range of a is
a-1≥0
a≥1
RELATED INFORMATIONS
- 1. If A2 − 2A + 1 = 1-A, then the value range of a is______ ．
- 2. When the function y = x + 1 / 1, the value range of the independent variable?
- 3. Function y = 1 x - 2, the value range of independent variable x is______ ．
- 4. What is the value range of the independent variable x in the function y = x + 1 / x + 3
- 5. The value range of the independent variable X of the function y = x-3 is
- 6. In the function y = x + 1 / 1, the value range of the independent variable is_______
- 7. Function y = x + 2 / 1, the value range of independent variable x
- 8. In the function y = X-2 √ 4-x, the value range of independent variable x is ()
- 9. In the function y = x to the power of 0 + √ x, the value range of the independent variable x is ()
- 10. When the independent variable of a quadratic function is 0, the function value is 1, and when the independent variable is equal to - 1 and 2, the function value is 0, then the analytic expression of the quadratic function is
- 11. If the square root of a > A, then the value range of a is?
- 12. If m-2 has no square root, then the range of M is
- 13. First simplify, and then substitute x with your favorite number to evaluate: X * x-4, X * x-4x + 4, X / X-2
- 14. Simplify: (X & sup2; - 4x + 4 / 4 x & sup2; - X-2 / 2) / X-2 / 2, then choose any number you like to substitute into the evaluation!
- 15. First simplify, then evaluate: [(X-Y) 2 + (X-Y) (x + y)] x, where x = - 1, y = 12
- 16. Simplified evaluation: X (x + 2) - (x + 1) (x-1), where x = negative half 4x (Y-X) + (2x + y) (2x-y), where x = half, y = - 2
- 17. The first reduction is in evaluation. (x ＾ 2 + 2x x-2-x ＾ 2 + 4x + 4x + 4x-1) divided by X + 2X-4. Where x ＾ 2 + 2x Predigestion is in evaluation. (x ＾ 2 + 2x x-2-x ＾ 2 + 4x + 4x + 4x-1) divided by X + 2X-4, where x ＾ 2 + 2x-1 = 0
- 18. Solve the equation about X: x square - 2mx + n = 0 (m square - n is greater than or equal to 0)
- 19. It is known that the m-2n power of negative two X is the same as the 4-m power of half times the 5th power of x times y. find the algebraic formula (m-2n) ^ 2-5 (M + 2n) ^ 2 + m + n Value of
- 20. If the fourth power of the 3x + 1 power of the algebraic formula - half a is the same as the fourth power of the X + 3 power B of 9a, then X-2 =?