![](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>)
It is known that m ^ 2-MN = 20, Mn-N ^ 2 = - 12, Finding the values of the algebraic expressions m ^ 2-N ^ 2 and - 2Mn + n ^ 2
It can be seen from the question: M-N = 20 + mn-12-mn = 8
RELATED INFORMATIONS
- 1. Given m 2-MN = 20, Mn-N 2 = - 8, the values of M 2-N 2 + 2 and m 2-2mn + N 2 are obtained
- 2. Given M-N = 8, Mn = 20, find m ^ 2 + n ^ 2 = ();
- 3. If (3 ^ 8) ^ n = (3 ^ 6) ^ m Mn are all positive integers, then the minimum value of Mn is If (3 ^ 8) ^ n = (3 ^ 6) ^ m Mn are all positive integers, then the minimum value of Mn is
- 4. Let m and n be two positive integers, and Mn > k (k is a positive integer greater than 1), and find the minimum value of M + n
- 5. m. N is a positive integer, and nm = 120. What is the minimum value of M + n?
- 6. 2m Mn of mn-4, where M = 2, n = - 3
- 7. (16-m ^ 2) ^ 2 + 4 √ m-2n / M + 4 = 0, find the value of √ Mn ^ 2 It's urgent
- 8. Given (m-2) ^ 2 + | 2m-n | = 0, find the value of m ^ 2-MN + 2n ^ 2,
- 9. If M and N are opposite numbers, then the value of 1 / 2m ^ 2 + Mn + 1 / 2n ^ 2 is______
- 10. If the vector 3M + 2n = a.m-n = B, denote Mn with ab
- 11. Given m ^ 2-MN = 21, Mn-N ^ 2 = - 12, find m ^ 2-N ^ 2, m ^ 2-2mn + n ^ 2
- 12. If x2-2 (K + 1) x + K2 + 5 is a complete square, then K is equal to______ ．
- 13. If 4 (x square) - x + k is a complete square, what is k equal to
- 14. If n (n ≠ 0) is the x 2 + m X-9 n = 0 root of the equation about X, find the value of M + n
- 15. If n (n is not equal to 0) is the root of the equation x2 + MX + 2n = 0, then the value of M + n is
- 16. If n (n is not equal to 0) is the root of the equation XX + MX + 2n = 0, find the value of M + n
- 17. It is known that M is an integer. If the quadratic trinomial x square + MX + 16 can be decomposed by cross multiplication, try to find all the m values that meet the conditions and decompose the factors
- 18. What does SGN mean in Higher Mathematics?
- 19. The temperature of water evaporation should be at () Above 1.0 degree 2. Any temperature 3.100 degree
- 20. It is proved that when X - > 0, the function 1 / xsin (1 / x) is unbounded, not infinite