Question

arrange 2/-3, -4/9, -5/12,7/-18 in descending order in fraction​

Answer 1

Answer:

7/-18 , -5/12 , 4/9 , 2/-3

Step-by-step explanation:

35 + 37 = 72 , 45 + 47 = 92 , 25 + 27 =52 , 55 + 57 =112

2n-1 & 2n+1

2n - 1 + 2n + 1 = 72

=> 4n = 72

=> n = 18

2n-1 = 35

2n+1 = 37

35 + 37 = 72

2n - 1 + 2n + 1 = 92

=> 4n = 92

=> n = 23

2n-1 = 45

2n+1 = 47

45 + 47 = 92

2n - 1 + 2n + 1 = 52

=> 4n = 52

=> n = 13

2n-1 = 25

2n+1 = 27

25 + 27 =52

2n - 1 + 2n + 1 = 1122

=> 4n = 112

=> n = 28

2n-1 = 55

2n+1 = 57

55 + 57 =112