![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
If the third power of polynomial-5 of X - (2m-1) the second power of X + (2-3n) X-1 does not contain the quadratic term and the first term, the value of M, n is obtained As fast as the title
2m-1=0,m=1/2
2-3n=0,n=2/3
RELATED INFORMATIONS
- 1. 3 to the power of 2012 minus 3 to the power of 2013 to the power of 211
- 2. Given that the m power of 2 multiplied by the m power of 4 multiplied by the m power of 8 = the 24 power of 2, find M
- 3. When n is greater than or equal to 1 and N is an integer, the n-th power of 2 plus 4 minus 2 can be divided by 30
- 4. How to use the idea of quadratic equation to find the minimum value of function y = (x ^ 2-2x + 6) / (x + 1), (x ≥ 0) We all know the solution of mean value inequality and derivative, but it is mentioned in the book that the minimum value of the function can also be obtained by using the discriminant of quadratic equation. How to solve it by using quadratic equation?
- 5. Find the minimum value of the function y = 9 / sin ^ 2x + 4sin ^ 2x, multiply a + b > = 2 by the square root of ab Can't we find the minimum value of the function y = 9 / sin ^ 2x + 4sin ^ 2x and multiply a + b > = 2 by the square root of AB? The answer is to change y = 9 / sin ^ 2x + 4sin ^ 2x to 4 / sin ^ 2x + 4sin ^ 2x + 5 / sin ^ 2x Using the above formula, is it unnecessary to do so? And there is a difference between the two results? Which brother would you like to answer in detail Note: sin ^ 2x is the square of (SiNx)
- 6. If a sector with a radius of 15cm and a central angle of 216 degrees forms the side of the cone, then the height of the cone is? R can be calculated by R / 15 * 360 = 216 If a sector with a radius of 15cm and a central angle of 216 degrees surrounds the side of the cone, then the height of the cone is? R can be calculated by R / 15 * 360 = 216. Why can it be calculated in this way? If it is a formula, write the formula
- 7. The circumference of a circle is 12.84 cm longer than its diameter. How many square centimeters is the area of this circle
- 8. As shown in the figure, the bottom side of the hexagonal prism is 5cm long and the side edge is 4cm long. Observe the model and answer the question 1. How many faces are there? What are their shapes? Which faces have the same shape and area? 2. How many edges are there? What are their lengths?
- 9. For example, if y = 4sin (Πx / 8 + a) passes through point (6,0), then a cannot be calculated The set of all a satisfying the condition
- 10. As shown in the figure, R1 = 10 Ω, R2 = 20 Ω, R3 = 30 Ω, the power supply voltage is constant, if the switch S1 is closed and S2 is open, the reading of the ammeter is 0.3A, find: (1) what is the power supply voltage? (2) When S1 and S2 are disconnected, what is the reading of the ammeter? (3) When S1 and S2 are closed, what is the reading of the ammeter?
- 11. It is known that the quadratic power of m-2 + MX-3 of polynomial (m-2) x is about the quadratic trinomial of X It is known that the square-2 + MX-3 of the polynomial (m-2) XM is a quadratic trinomial of X, and the value of M is obtained.
- 12. If there is no x ^ 2 term in the square plus x plus K ^ 2x ^ 2-5 of the polynomial 3x to the third power-4x, then the value of K is
- 13. Given that the square of M = 2n + 4, the square of (2n) is m + 1, evaluate: (1) m + 2n; (2) the third power of 4N - the square of Mn + 2n Evaluation can only have numbers
- 14. M3 + 27Mn + N3 = 729, m and N are positive integers, M + n is greater than Mn, then M + n = () I want to go over Chen
- 15. If the m-th power - (n-1) x + 1 of the polynomial 3x is a quadratic binomial of X, the value of M and N can be obtained As long as the answer. You have to explain under the line. Will be chasing points
- 16. The m power of 2x minus the M + power of 2Y plus 7 times x times m + 1 minus the m power of y plus 1 minus the m power of 3 times x minus the m power of 2Y
- 17. A polynomial minus x3-2y3 equals X3 + Y3, then the polynomial is___ ．
- 18. If M is a positive integer, the degree of multiplication of m power of polynomial 2x by y plus m + 2 power of 2Y minus m + 3 power of 3 is ()A m+3 B m+2 C m+1 D m
- 19. The 2m-1 power of (a-b) &; (the 2m power of B-A) &; (the 2m + 1 power of a-b), where M = a positive integer
- 20. When a = - 1, M is a positive integer, the 2m + 1 power of (- a)=___