Các câu hỏi tương tự
CMR
neu p va \(p^2+8\)la so nguyen to thi \(p^2+2\)cung la so nguyen to
neu p va \(8p^2+1\) la so nguyen to thi 2p+1 cung la so nguyen to
tim so nguyen duong n sao cho n545+n544+1 la so nguyen to
tim cac so tu nhien x sao cho 4x^4+1 la so nguyen to
Tim x thuoc N sao cho 4x^4 + 1 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
tim so nguyen n de gtri bieu thuc sau la so nguyen to: 3n3-5n2+3n-5
tim so tu nhien n de n^4 +4 la so nguyen to
tong 3 so nguyen to bang 894. so nguyen to nho nhat trong ba so nguyen to tren la so nao
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