Question

найдите log(25)12, если log(5)4 =a, log(5)3 =b

Помогите по математике

Answer 1

log(25)12= log(5)25  /    log(5)12  =  log(5)5²  /   log(5) 4×3  =   2 /  log(5)4 + log(5)3  = 2/ a+b