log2^x >= log4^(3x+4) log2跟log4怎樣化同底數啊哎對你們應該很簡單吧.希望有好人幫到我, 底數是2和4

log2^x >= log4^(3x+4) log2跟log4怎樣化同底數啊哎對你們應該很簡單吧.希望有好人幫到我, 底數是2和4

我的對,看清楚
log2^x>= log4^(3x+4)==> log2^x>= log2^(3x+4)/log2^4 ==>
2log2^x>=log2^(3x+4)==> log2^(x^2)>=log2^(3x+4)==>
x^2>=3x+4