Question: Suppose that the interval 0 x 3 is divided into 100 subintervals of width x = .03. Let x 1 , x 2

Suppose that the interval 0 ≤ x ≤ 3 is divided into 100 subintervals of width Δx = .03. Let x₁, x₂,....., x₁₀₀ be points in these subintervals. Suppose that in a particular application we need to estimate the sum

Show that this sum is close to 9.

(3 x)Ax + (3 x) Ax + + (3 X100)A.X. - -

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