-The cubic power of 2A B + the square of 8A the square of B - the cubic power of 8ab
-The cubic power of 2A B + the square of 8A the square of B - the cubic power of 8ab
=-2ab(a^2-4ab+4b^2)
=-2ab(a-2b)^2
RELATED INFORMATIONS
- 1. If there is only one element a in the set a = {x x square + ax + B = x}, the values of a and B are obtained One more question Set u = {x, X is less than or equal to 10, X belongs to n}, a (symbol I can't play, that is, there is a U lying below with a horizontal) u, B (same as above) U So give 30 points to those who can answer all the questions One more question. A total of 40 points
- 2. Problem 1: given the square of set {x | x + ax + B = 0} = {2,3}, find the value of a and B The second problem: represent the set ① {(x, y) | x + y = 6, X ∈ Z, y ∈ Z} ② {- 3, - 1,1,3,5} The third problem: given a = {1,0, - 1,3} B = {y | y = | x |, X ∈ a}, then B?
- 3. If there is only one element a in the set a = (x / x square + ax + B = 0), the value of A.B is obtained?
- 4. It is known that: a ≠ B, and the square of a-2a-1 = 0, the square of B + 2b-1 = 0, find a + 1 / b And the value of a / b? No dead reckoning
- 5. Square of a + square of B + 1 / 2 * a * (B-A) - square of 1 / 2B - 1 / 2 * a * (a + b)
- 6. It is proved that the square of a plus the square of B is greater than or equal to 2Ab
- 7. How to prove that a square plus b square is greater than or equal to 2Ab In addition, recently, the study of symbols is a bit mixed. When we do questions according to the formula of two numbers and square, do we want to convert the symbols into the same as the formula? For example, the square of [- M-N] should be changed into {[- M] - N}
- 8. The square of 3A (a-2b) - the cubic of 6 (a-2b)
- 9. The square terms of 3A + 2B are times
- 10. Calculation: (A's Square - 2b's square + 4) (A's square + 2B's Square - 4)
- 11. -The third power of 2A * the square of B + the square of 8A * the square of B - the square of 8A * B
- 12. 20A ^ 4-33a ^ 2B ^ 2 + 7b ^ 4 (x^2-5x)^2+10(x^2-5x)-96 x^2-(a+b)xy+aby^2 X ^ 2 + X - (a ^ 2-A) A question is OK ~ best all, seems to be about cross multiplication! All four questions!
- 13. Decompose the following factors: A ^ 2 + A + 1 / 4 16A ^ 2-8ab + B ^ 2 A ^ 4-2a ^ 2B ^ 3 + B ^ 6 4(x+y)^2-12(x+y)+9 x^2-2x(y-z)+(z-y)^2 a^4-2a^2b^2+b^4
- 14. Factorization a ^ 3-2a-2b + B ^ 3
- 15. A measuring cylinder, containing 300 ml of water, put three steel balls with equal radius, and the water surface rises to 360 ml How many steel balls do you need to put to reach the 500ml mark of the measuring cylinder?
- 16. The second volume of mathematics in junior high school? There are still seven big questions left. Please, it's better to have an answer! If there is a picture, bring the best! O (∩)_ Thank you~~
- 17. Sequence 1,8,9,4, (), 1 / 6 who knows what to put in brackets
- 18. As shown in the figure, AC ∥ BD, ab ∥ CD, ∥ 1 = ∥ e, ∥ 2 = ∥ F, AE intersects CF at point O, try to explain: AE ⊥ CF
- 19. 2, - 6,12, - 20,30 and - 42 constitute a sequence to find the general term formula
- 20. 18. Making sentences with green Pinyin