Question

If 4* - 41-1 = 24 then find the value of (2x)*

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Answer 1

Answer:

Answer is 2.5

Step-by-step explanation:

(4^x) - (4^(x-1)) = 24

.•. (4^(x-1)) [ 4 - 1 ] = 24

.•. 4^(x-1) = 8

.•.(x-1) log4 = log8

x = 1 + (log 8 / log4 )

x = 2.5