14. If 2* - 2*1 = 4 then x is equal to:
(a) 7
(b)3
5/27
27
(d) 9
Answers
Answered by
0
Answer:
7
Step-by-step explanation:
answer is this hope it helps u
Answered by
0
( misprint is their in question, but I tried to solve assuming x is power of 2 )
2^x -2^1 = 4
2^x = 6
multiply log both sides
x*log(2) = log(6)
x = log(6) - log(2) = 2.58 (Ans.)
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