x+y=a,xy=b,xy^2+yx^2=?

The above formula = XY (x, y) = ab

RELATED INFORMATIONS

1. First simplify, then evaluate: (6xyx + 3yxy3) − (4yxy + 36xy), where x = 32, y = 27
2. (6x radical Y / x + 3 / radical XY) - (4Y radical X / y + radical 36xy), where x = 3 / 2, y = 27
3. First simplify, then evaluate: x ^ x + XY / x ^ x-xy ^ (y ^ y-xy / XY) divided by (x + y), where x = 1 / 3, y = - 3
4. Simplified evaluation: (XY ^ - 1-x ^ - 1y) / (x ^ - 1 + y ^ - 1), where x = 2, y = - 1
5. First simplify, then evaluate: (x ^ 2-y ^ 2 / XY) / (x + y) times (x / X-Y) ^ 3, where x = - 1 / 2, y = - 1
6. In the quadratic equation 2x-y = 4, when x = 5, what is y equal to
7. If (A-3) x + y | a | - 2 = 9 is a quadratic equation with respect to x, y, then a=______ ．
8. {X / 4 + Y / 3 = 4 / 3,5 (X-9) = 6 (Y-2) (quadratic equation)
9. How to solve the quadratic equation x / 4 + Y / 3 = 4 / 3 5 (X-9) = 6 (Y-2) Be clear
10. Solving the bivariate linear equation {3 (x + y) - 4 (X-Y) = - 9 x + Y / 2 + X-Y / 6 = 1
11. XY YX = x what is x and y XY and YX are two digits, not multipliers
12. XY times YX is 3154. What is x and y It's a multiplication problem
13. xy+y=yx x=?y=?
14. If x of Y is greater than 0, y of Z
15. If XY is greater than 0, then x / Y () 0; if XY is less than 0, then x / Y () 0
16. Let x > 0, Y > 0, x + y-xy = 4, then the minimum value of 1 / x + 1 / y is
17. Given the equation of X, y | 6-x | + | X-2 | + | y + 2 | + | y + 3 | = 5, try to find the maximum and minimum value of XY It's still that sentence
18. If x + y = 5, xy = 2, then x ^ 2Y + XY ^ 2 = ()
19. What is the minimum value of X + y? Let x ^ 2 + y ^ 2 = 4 find the minimum value of XY + 4 (x + y) - 2~
20. Let x > 0, Y > 0, x + y + xy = 2, then the minimum value of X + y is () A. 32B. 1+3C. 23-2D. 2-3