Explanation Given information: The intervalis − 1 ≤ x ≤ 1 , and it is divided in n = 4 subintervals. Explanation: By comparing the interval − 1 ≤ x ≤ 1 to a ≤ x ≤ b , it becomes, a = − 1 and b = 1 . The length of each subinterval Δ x = b − a n = 1 + 1 4 = 2 4 = 0.5 Consider the interval a ≤ x ≤ b If the interval is divides in n subintervals, then the mid points of the subinterval are x 1 , x 2 , ... , x n . Where, x 1 = a 0 + Δ x 2 , x 2 = x 1 + Δ x , x 3 = x 2 + Δ x , ... , x n = x n − 1 + Δ x

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Chapter 9.4, Problem 3E

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The value of Δx and the mid points x1,x2...,xn of the subintervals where the interval −1≤x≤1 is divided in n=4 subintervals.

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Chapter 9.4, Problem 2E

Chapter 9.4, Problem 4E

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The value of Δ x and the mid points x 1 , x 2 ... , x n of the subintervals where the interval − 1 ≤ x ≤ 1 is divided in n = 4 subintervals.

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The value of Δx and the mid points x1,x2...,xn of the subintervals where the interval −1≤x≤1 is divided in n=4 subintervals.

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