8. Let w, z EC such that |w| > |z|. Prove that (n+1) | ²7. < W for all n E N. |w| |w| - |z|

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Q: Let X~ N(2, 9). Compute P(1 ≤ X < 7).

A: From the provided information, Mean (µ) = 2 Variance (σ2) = 9 X~N (2, 9)

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Q: 8. On which of the following intervals is (x – 1) (x + 4)(x +2) < 0? A {x|-4 < x <-2} B {xl-4,<x<–2}…

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Q: 4. Prove that if (an) is increasing and an ̸= 0 for all n ∈ N then ? 1/ an is decreasing.

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Q: Show that if f: R→ R is continuous and f(x) = 0 for every rational number a, men f(x)= 0 for all z.

A: Thank you for the question. According to our guidelines we can answer only  first question and…

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