Approximate $\int _ { 0 } ^ { 4 } \sqrt { x } d x$

question 132

Short Answer

Approximate $\int _ { 0 } ^ { 4 } \sqrt { x } d x$ ; n = 2, by (a) the trapezoidal rule, (b) the midpoint rule, and (c) then find the exact value of the integral.
Enter just a, b, c where a, b are real numbers rounded to two decimal places, and c is a reduced fraction of form $\frac { a } { b }$ all unlabeled and answering the questions in order, separated by commas.

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Definitions:

Positive To Negative

Refers to the flow of conventional electric current from a point of higher potential (positive) to a point of lower potential (negative).

Negative To Positive

Describes the direction of flow of electrons in an electrical circuit, from a more negative point to a more positive point.

Lightning Protection

Systems or devices designed to protect structures and equipment from damage by directing lightning surges safely to the ground.

Grounded

Refers to a direct physical connection to the earth in an electrical system, used for safety and stability of the system.