Хелп май фриендс .......

Question

Хелп май фриендс .......

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Answer 1

Log(a)b+log(a)c= log(a) bc
a^log(a)b=b
log(a)a=1
log(a)bⁿ=n*log(a)b

Log(5) 12.5 + log(5) 2- 7^log(7) 11 - log(3) ⁴√3=
=Log(5) (12.5*2) - 11 - log(3) 3^¼=
=log(5) 25 -11- ¼log(3) 3=
=2-11-¼=-9¼=-9,25