Question

log base 3 (x-1)=2 find value of x

Answer 1

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Answer 2

The value of x = 10  

Given:

㏒₃ (x-1) = 2  

To find:

The value of x  

Solution:

Log to Exponential Form

        The logarithmic form ㏒ₐ N = x can be transformed into exponential form as  aˣ = N

Given ㏒₃ (x-1) = 2  from using Log to Exponential Form ㏒₃ (x-1) = 2  can be written as  3² = (x - 1)  

⇒ 3² = (x - 1)  

⇒ 9 = x - 1

⇒ x = 10

The value of x = 10  

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