Question

If 4 - 4 ^x-1 = 24, then (2x) equals


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Answer 1

Answer:

sorry I didn't know.....

Answer 2

Answer:

4-4^x-1=24

3-4^x=24

4^x=-21

taking log in both side we get

log4^x=-log21

xlog4=-log21

x=-log21/log4

x=-log(21-4)

x=-log17

(2x)=-2×log17 =(-2log17)