How do you solve 2(1.01^(5x + 1)) = 5?

1 Answer
Mar 12, 2016

x=log_1.01(root(5)(250/101))

Explanation:

2(1.01^(5x+1))=5

1.01^(5x+1)=2.5

applying logarithms:

(5x+1)=log_1.01(2.5)

5x=log_1.01(2.5)-1

5x=log_1.01(2.5/1.01)

x=log_1.01(250/101)/5

x=log_1.01(root(5)(250/101))

or

x=ln(root(5)(250/101))/ln(1.01)