\(\frac{1}{8}.16^n=2^n\)
\(\Rightarrow2^n=2^n\)
\(\Rightarrow n\in R\)
~~~~~~~~~~~~~~
~~~~~~~~~~~~
~~~~~~~~~~~~~~
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
Tim so nguyen duong n,m biet \(5n+3m=2015\)
tim so nguyen duong x,y,z biet:
\(\frac{1}{x}\)+\(\frac{1}{y}\)+\(\frac{1}{z}\)=1
Tim so nguyen n biet: \(\frac{1}{9}\times27^n=3^n\)
tim so nguyen n biet
(2n-1)6=(2n-1)8
Tim cac so nguyen duong n sao cho\(2^n-1⋮7\)
tim 2 so nguyen duong biet tong va hieu,tich cua chung ti le nghich voi cac so 20;140;7
tim x nguyen duong biet 1/x(x+3)+1/(x+3)(x+6)=3/8
tim tat ca cac so nguyen duong n sao cho:2^n-1 chia het cho 7
tim cap so x,y nguyen biet :
a,\(|2x+3|+|2x-1|=\frac{8}{2|x-5|+2}\)