Question

\(2^4.32>2^x>64\)

tìm x biết

Answer 1

\(2^4.32>2^x>64\\ \Leftrightarrow2^4.2^5>2^x>2^6\\ \Leftrightarrow2^9>2^x>2^6\\ \Leftrightarrow9>x>6\)

=> x=7 hoặc x=8

 

Answer 2

2⁴.32>2^x>64

=>2⁹>2^x>2⁶

=>9>x>6

=>x€{8;7}