Using the properties of exponents and logarithms, find the value of x in 19+2 in x=25

Question

asked Mar 25, 2020 52.7k views

2 Answers

Haris Ali Khan · Answer 1 · 2020-03-27T04:04:11+0000

Answer:

x = e³

Explanation:

Using the property of logarithms

•
log_(b) x = n ⇔ x =
b^(n)

Given

19 + 2lnx = 25 ( subtract 19 from both sides )

2lnx = 6 ( divide both sides by 2 )

lnx = 3 [ note lnx =
log_(e) x ]

x = e³