Question

if 2^x - 2^x-1 = 4 , then find the value of (2x)^x​

Answer 1

Answer:

Step-by-step explanation:

Correct option is

C

27

2  

x

−2  

x−1

=4

2  

x

−2  

x

2  

−1

=4

2  

x

(1−  

2

1

​

)=2  

x−1

=4=2  

2

 

∴ x−1=2

from this we get   x=3

x  

x

=3  

3

=27