Question

j.2^x+1.2²⁰¹⁴=2²⁰¹⁵

Answer 1

\(2^{x+1}=\frac{2^{2015}}{2^{2014}}=2^{\left(2015-2014\right)}=2^1\Rightarrow x+1=1\)

x=0

Answer 2

2^x+1.2²⁰¹⁴=2²⁰¹⁵

=>2^x+1=2²⁰¹⁵:2²⁰¹⁴

=>2^x+1=2

=>2^x+1=2¹

=>x+1=1

=>x=1-1

=>x=0

Answer 3

còn chữ j đằng trước?