Question

2^x-1.4^x+1/8^x-1=16

Answer 1

x= log(base2)√(7/10).

Answer 2

Answer:

Step-by-step explanation:

2^x-1.4^x+1/8x-1=16

Split the terms

2^x.2^-1.2^2x.2^2/2^3x.2^-3

Identity:- a^m.a^n=a^(m+n)

2^3x+1/2^3x-3

Identity:- a^m/a^n=a^(m-n)

2^(3x+1-3x+3)

2^4 = 16 answer...