Tính:
----- Nội dung dịch tự động từ ảnh -----
Bài 7: Tính
1) \( A = 8(3^2 +1)(3^4 +1) \ldots (3^{16} +1) \)
2) \( B = (1-3)(3+1)(3^2 +1)(3^4 +1) \ldots (3^{16} +1) \)
3) \( C = (5-1)(5+1)(5^2 +1)(5^4 +1) \ldots (5^{16} +1) \)
4) \( D = 15(4^2 +1)(4^4 +1) \ldots (4^{64} +1) \)
5) \( E = 24(5^2 +1)(5^4 +1)(5^8 +1) \ldots (5^{128} +1) + (5^{256} -1) \)
Bài 7: Tính
1) \( A = 8(3^2 +1)(3^4 +1) \ldots (3^{16} +1) \)
2) \( B = (1-3)(3+1)(3^2 +1)(3^4 +1) \ldots (3^{16} +1) \)
3) \( C = (5-1)(5+1)(5^2 +1)(5^4 +1) \ldots (5^{16} +1) \)
4) \( D = 15(4^2 +1)(4^4 +1) \ldots (4^{64} +1) \)
5) \( E = 24(5^2 +1)(5^4 +1)(5^8 +1) \ldots (5^{128} +1) + (5^{256} -1) \)