Các câu hỏi tương tự
tim so tu nhien n de 5^(2n^2-6n+2) -12 la so nguyen to
tim 5 so nguyen to. biet rang 1 trong 5 so do co gia tri bang tong 2 so nguyen to va bang hieu 2 so nguyen to con lai
tim 5 so nguyen to. biet rang 1 trong 5 so do co gia tri bang tong 2 so nguyen to va bang hieu 2 so nguyen to con lai.
cho p=2^s -1 voi p la so nguyen to.chung minh s cung la so nguyen to
a)Tim tat ca cac so nguyen duong x, y , z thoa man: \(\frac{x+y\sqrt{2013}}{y+z\sqrt{2013}}\)la so huu ti, dong thoi x2 + y2+ z2 la so nguyen to.
b) Tim so tu nhien x, y thoa man: x(1+x+x2) = y(y-1).
Cho p la so nguyen to biet 8p+1 la so nguyen to .Chung to rang 4p+1 la hop so
tim x nguyen duong de 4x^3+14x^2+9x-6 la so chinh phuong
AI GIOI TOAN GIUP NHA!!!
cho 2^m -1 la so nguyen to chung minh rang m la so nguyen to
ai tra loi dung va som nhat minh thich cho ^_^
B1. Cho f(1)=1008,f(1)+f(2)+...+f(n)=n^2.f(n) f(n)la ham so duong
tinh f(2015)
B2 Cho cac so nguyen to q,p,r,s sao cho cac so sau deu la so nguyen to p^s+s^q,q^s+s^r,r^s+s^p
tim cac so p,q,r,s
B3 co a,b,c duong a mu 3+bmu3=c^3
so sanh a^2015+b^2015 va c^2015