Ta có: \(A=2^2+2^3+...+2^{2024}\)
=>\(2A=2^3+2^4+...+2^{2025}\)
=>\(2A-A=2^3+2^4+...+2^{2025}-2^2-2^3-...-2^{2024}\)
=>\(A=2^{2025}-4\)
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Ta có: \(A=2^2+2^3+...+2^{2024}\)
=>\(2A=2^3+2^4+...+2^{2025}\)
=>\(2A-A=2^3+2^4+...+2^{2025}-2^2-2^3-...-2^{2024}\)
=>\(A=2^{2025}-4\)