Các câu hỏi tương tự
cmr với n thuoc N thì 2 so 3n+1 va 4n+1 la 2 so tu nhien nguyen to cung nhau
chung to rang hai so 3n+4 va n+1 la hai so nguyen to cung nhau voi n la so tu nhien khac 0
Giup minh nhe
A 2 so 3n + 4 va n + 1n (n) la 2 so nguyen to cung nhau
B hai so 2n + 5 va 3n + ưcln la hai so nguyen to cung nhau
chung to rang (3n+7 )va (n+2) la hai so nguyen to cung nhau
1)n+1 va 3n+4 la nguyen to cung nhau
2)2n+3 va 4n+8 la 2 so nguyen to cung nhau
chung to rang hai so n+1va 3n+4(n e N)la hai so nguyen to cung nhau(cho minh cach giai nhe)
chung minh rang 2n+3 va 3n+5 la hai so nguyen to cung nhau (n thuoc N*)
Cho hai so nguyen to cung nhau la a,b .
CMR hai so 11a+2b va 18a+5b thi hoac nguyen to cung nhau hoac co mot uoc chung la 19.
chung minh rang : n+1 va 3n+4 (n thuoc N) la hai so nguyen to cung nhau