6^n+1/3^n-1 если 2^n=15

Question

6^n+1/3^n-1 если 2^n=15

Answer 1

6√N+1/3√N

1/3(2√N+√N)

1/3(15+4*5)

1/3(15+60)

1/3*75=25

Comments

ҚАТЕ КЕТКЕН ЖЕР БАР 1/3(15