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Write a quadratic trinomial about x such that the coefficient of its quadratic term is - 1 / 2
(-1/2)x²+x-1
RELATED INFORMATIONS
- 1. Please write a quadratic trinomial about X so that the coefficient of the quadratic term is - 3, then the quadratic trinomial is ()
- 2. Given the cubic of X + twice of X + X + 1 = 0, find the value of twice of 1 + X + X + thrice of X + --- + 2012 times of X
- 3. |X-Y | = under the root sign (x + y) twice + () The answer is - 4xy, who can tell me,
- 4. The minimum value of function f (x) = 6 / 2 ^ x + 3 ^ x on [- 1,2]? A, 36 / 5 B 6 C 3 D 6 / 13 Tell me why
- 5. Find the coefficient of 1 / x ^ 6 in (1 + 2 / x ^ 2) ^ 5 expansion
- 6. In the expansion of (x + 1) 3 + (x + 1) 4 + (x + 1) 5 + (x + 1) 6 + (x + 1) 7, the coefficient of X4 is? (the following numbers are all to the power.)
- 7. Given the equation x ^ 2 + 3x-2 = 0, then the coefficient of quadratic term is 1, and the two equations which are two times of the known equation are?
- 8. Find the coefficient of x ^ 2 term in (x ^ 2 + X-2) ^ 6 expansion
- 9. A * b = 3 / A + 4 / B, given 4 * b = 4, then what is B equal to
- 10. In the binomial expansion of (x ^ 2 + 1 / ax) ^ 6, the coefficient of x ^ 2 is 5 / 2, then a = need to answer the process in detail
- 11. If the coefficient of the quadratic trinomial of X is - 5, write this polynomial
- 12. A quadratic trinomial about the letter X, the coefficient of the quadratic term is - 1 / 3, the coefficient of the primary term is 1. The constant term is - 2 / 3, and the quadratic trinomial is?
- 13. Let f (x), G (x) and H (x) be polynomials, and the first coefficient of H (x) is 1. It is proved that: (f (x) H (x), G (x) H (x)) = (f (x), G (x)) H (x)
- 14. The urgent need of College Mathematics: try to prove the reducibility of primitive polynomial x ^ 10 + x ^ 5 + 1 I just applied for the number, I hope you can help me
- 15. If the coefficient of the quadratic term and the constant term of a quadratic trinomial with respect to the letter X are both 1 and the coefficient of the primary term is three fourths, then
- 16. (3) It is known that X / (x 2 + x 2 + 1) = 1 / 4, x 2 / (x 4 + x 2 + 1)
- 17. Known x2-3x-1 = find the value of X4 + 1 / x4, x + 1 / X (correct title)
- 18. How many times is polynomial-1 / 8x ^ 3-A ^ 2x ^ 2 + X? Is - A ^ 2 a coefficient or an unknown? How many times is 2 / 5x-by ^ 2?
- 19. Using the matrix method, the equations are: 2x1-3x2 + x3-x4 = 33x1 + x2 + X3 + X4 = 0 4x1 - X2 - x3-x4 = 7 - 2x1-x3 + X3 + X4 = - 5
- 20. There are () rational numbers x that make (x ^ 2 + 3x) ^ 2-2 (x ^ 2 + 3x) - 8 equal to zero A.2 B.3 C.4 D.5