Các câu hỏi tương tự
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 minh rang 2n+3 va 3n+5 la hai so nguyen to cung nhau (n thuoc N*)
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
chung to 2 so sau la 2 so nguyen to cung nhau
a,2n+3 va n+2
b,3n+1va 2n+1
c,n+10 va n+11
chung to rang hai so n+1va 3n+4(n e N)la hai so nguyen to cung nhau(cho minh cach giai nhe)
Giúp mình bài này :
Chung minh rang 2 so 2n+3 va 3n+4 voi n thuoc N la 2 so nguyen to cung nhau
ai giup minh voi
chung to rang 2 so n+1 va 3n+1{n thuoc N} la 2 so nguyen to cung nhau
minh dang can gap...................''''
chung minh rang : n+1 va 3n+4 (n thuoc N) la hai so nguyen to cung nhau
chung to rang (3n+7 )va (n+2) la hai so nguyen to cung nhau