⌈ 1 0 0 0 x ⌉
In an infinite tower of x's shown above, find the value ofIf you think no such x exists, give your answer as 666.
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nice solution
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This is analogous to this problem . The given solution is wrong... there is no such x
x x x . . . = 1 0 x x . . . . x x x . . . = x x . . . . 1 0 x = x x . . . . 1 0 x = 1 0 1 0 x ≈ 1 . 2 5 8 9 2 5 4 1 0 0 0 x = 1 2 5 8 . 9 2 5 4 ≈ 1 2 5 9
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Given: x x x x . . . = 1 0
⇒ ( x ) x x x . . . = 1 0 ⇒ ( x ) 1 0 = 1 0 ⇒ 1 0 x 1 0 = 1 0 1 0 ⇒ x ≈ 1 . 2 5 8 9 . . . ⇒ ⌈ 1 0 0 0 x ⌉ = 1 2 5 9