Asked by Melany
4 + 5^6x = 8
(a) Find the exact solution of the exponential equation in terms of logarithms.
x =
(b) Use a calculator to find an approximation to the solution rounded to six decimal places.
x =
can any body help me out here please?
(a) Find the exact solution of the exponential equation in terms of logarithms.
x =
(b) Use a calculator to find an approximation to the solution rounded to six decimal places.
x =
can any body help me out here please?
Answers
Answered by
Reiny
4 + 5^6x = 8
I will assume you meant
4 + 5^(6x) = 8
5^(6x) = 4
log both sides and use rules of logs
6x log5 = log4
x = log4/(6log5)
b)
x = appr .143559
I will assume you meant
4 + 5^(6x) = 8
5^(6x) = 4
log both sides and use rules of logs
6x log5 = log4
x = log4/(6log5)
b)
x = appr .143559
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