а = 10 b₆ = 200 b₁ - ? S₆ - ?
b₆ = b₁ * а⁵
200 = b₁ * 10⁵
200 = b₁ * 100000
b₁ = 200/100000 = 0,002
S₆ = (b₁ * (1 - а⁶)) / (1 - а) = (0,002 * (1 - 1000000)) / (1 - 10) = 222,222
на фото..................
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
а = 10 b₆ = 200 b₁ - ? S₆ - ?
b₆ = b₁ * а⁵
200 = b₁ * 10⁵
200 = b₁ * 100000
b₁ = 200/100000 = 0,002
S₆ = (b₁ * (1 - а⁶)) / (1 - а) = (0,002 * (1 - 1000000)) / (1 - 10) = 222,222
на фото..................