ա․ 75
բ․ 3

ա․ a₁ = 5, a₂ = 8, a₃ = 11, a₁₀ = 32
բ․ b₁ = 8, b₂ = 4, b₃ = 2, b₁₀ = 0.8
գ․ c₁ = -2, c₂ = 4, c₃ = -8, c₁₀ = 1024

ա․ 2, 5, 8, 11, 14
բ․ -2, -10, -50, -250, -1250
գ․ 4, -4, -12, -20, -28
դ․ 8, 2, 0.5, 0.125, 0,03125