Question

3 raise to the power of 4x-1=8 show workings.

Answers

Reiny
I can see this working if you meant:

3^(4x) - 1 = 8
3^(4x) = 9
3^(4x) = 3^2

can you predict my next step ?
Wisdom peter
3raise to the power of 4x-1=8 is therefore equal to 3raise to the power of 3x =2 raise to the power of 3, 3 raise to the power of x =2 log3 raise to the power of 2=x
Wisdom peter
What is the anwer to the question

Related Questions