Question

5n- 2 supra 2n +3 . va rog sa ma ajutati

Answer 1

2n+3/5n-2/x2
2n+3/2n+3/x5

2n+3/10n-10
2n+3/10n+15
2n+3/25
2n+3€{1 ,5,25}/-3
2n€{-2,2,22}/:2
n€{-1,1,11}