Các câu hỏi tương tự
Bai 10. Chung minh rang:
a) Neu p va p2+8 la cac so nguyen to thi \(p^2+2\)cung la so nguyen to
b) Neu p va 8.p2+1 la cac so nguyen to thi 2.p+1 cung la so nguyen to
Lam nhanh cho minh nha, minh dang can lam gap
tim n de n+1;4n^2+8n+5 va 6n^2+12n+7 cung la so nguyen to
cho so nguyen to p va cac so duong x,y thoa man 4x^2-3xy-y^2-p(3x+2y)=2p^2 CHUNG MINH RANG 5x-1 la so chinh phuong
tìm số nguyên tố p sao cho: 1/p^2= 1/m^2+ 1/n^2 va m, n la cac so nguyen to
tim so nguyen to p sao cho p2+2p la so nguyen to
cho tich 800 so tu nhien tu 1 den 800 la A=1.2.3.4...800 thi dang phan tich A ra thua so nguyen to chua thua so 5 co mu la? Violympic 8 vong 14
tong 3 so nguyen to bang 894. so nguyen to nho nhat trong ba so nguyen to tren la so nao
co cac so nguyen duong a,b.c nguyen to cung nhau tm (a+b)=ab cmr a+b la co chinh phuong
so tu nhien 1+2^3^2015 la nguyen to hay hop so toan 8;giup mk vs