b₅ = 3/4, q = 2
Формула:
b₅ = b₁ * q⁴
3/4 = b₁ * (2)⁴
3/4 = b₁ * 16
b₁ = 3/4 : 16
b₁ = 3/64
S₆ = b₁ * (1-q⁶) / (1-q) = 3/64* (1-64) / (1-2) = 3/64 * (-63) / (-1) = 3/64 * 63 = 189/64 =
b₅ = 3/4, q = 2
Формула:
b₅ = b₁ * q⁴
3/4 = b₁ * (2)⁴
3/4 = b₁ * 16
b₁ = 3/4 : 16
b₁ = 3/64
S₆ = b₁ * (1-q⁶) / (1-q) = 3/64* (1-64) / (1-2) = 3/64 * (-63) / (-1) = 3/64 * 63 = 189/64 =