Math, asked by altraghising, 1 year ago

if 3^(x+1) - 3^x = 54 fine the value of x​

Answers

Answered by sahilsaeid6297
3

^x - 3^(x-1) = 18

3^x - (3^x/3) = 18

Let 3^x = a

a - a/3 = 18 

2a = 54; a = 27

3^x = 27

x = 3 

x^x = 3^3 = 27

Option 5)

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