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Solve the equation about X: x square - 2mx + n = 0 (m square - n is greater than or equal to 0)
X = [2m ± 2 radical (m ^ 2-N)] / 2 = m ± radical (m ^ 2-N)
RELATED INFORMATIONS
- 1. 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
- 2. 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
- 3. First simplify, then evaluate: [(X-Y) 2 + (X-Y) (x + y)] x, where x = - 1, y = 12
- 4. 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!
- 5. First simplify, and then substitute x with your favorite number to evaluate: X * x-4, X * x-4x + 4, X / X-2
- 6. If m-2 has no square root, then the range of M is
- 7. If the square root of a > A, then the value range of a is?
- 8. If A-1 has square root, then the value range of a is
- 9. If A2 − 2A + 1 = 1-A, then the value range of a is______ ．
- 10. When the function y = x + 1 / 1, the value range of the independent variable?
- 11. 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
- 12. 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 =?
- 13. If the square of a-3ab-4b = 0, then the value of a / B is?
- 14. If the square of | a + 2 | + (B-3) is 0, find the value of 3ab-4b (square)
- 15. If | a + 2 | + [(B-3) square] is equal to 0, find the value of 3AB - (4B Square),
- 16. If the polynomial 4A ^ 2 + 1 is added with a monomial to make it a complete square, then the added monomial can be (fill in one that you think is correct)
- 17. If the polynomial 4A ^ 2 + 1 plus a monomial form becomes a complete square form, what can the monomial form be?
- 18. There is a series of monomials: the second power of X, the third power of negative 2x, the fourth power of 3x, and the fifth power of negative 4x. Their laws? 2008, the monomials of N? But it's three o'clock today
- 19. Square of (a + 5a) square of - (5a + 25)
- 20. Square of (5a + 2b) - 9b square