Сократите дробь n+2 75 _________ 2n+3 n-2 5 × 3

Question

Сократите дробь

n+2
75
_________

2n+3 n-2
5 × 3

Answer 1

75^n-2/15^2n+3+n-2=5^n-2-(2n+3+n-2)= 5^n-2-2n-3-n+2= 5^-2n-3