Tim n thuoc N biet: \(^{2^n+2^n=2^{m+n}}\)
tim n thuoc Z biet
\(n^2+4⋮n+2\)
tim n thuoc Z biet
\(n+3⋮n^2-7\)
tim n thuoc Z biet
n+3\(⋮\)n2-7
tim x thuoc Z biet
n2+n \(⋮\)n2+1
tim m,n thuoc Z biet
\(\frac{m}{2}-\frac{2}{n}=\frac{1}{2}\)
\(A=\frac{3n+2}{n-5}\) Biet n thuoc Z, khac 5. Tim n de A thuoc Z
Ai nhanh mik tick, giup mik nha!!!!
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tim so tu nhien c,biet rang voi moi n thuoc N* ta co :
cn =1
cn= 0
tim ucln cua n.[n+1]:2 va 2n+1 voi n thuoc n*
