Mathematics 1 Deneme Sınavı Sorusu #1192902

What is the solution of the equation ln(81x4)=20?


e3/3

e2/5

0

1

e5/3


Yanıt Açıklaması:

We write 81x4 = (3x)4 and use the law
ln ab = b ln a,

then, 4ln(3x)=20›ln(3x)=5›e5=3x›e5/3=x

Yorumlar
  • 0 Yorum