Question

a²+log(a)2=1/2 a＞1 怎么解a的值,log(a)2 log以a为底2的对数

Answer 1

因为a＞1,所以a²>1且log(a)2>log(a)1=0,故a²+log(a)2>1

方程a²+log(a)2=1/2无解