Math Problem Statement
Find the length of the curve <math xmlns="http://www.w3.org/1998/Math/MathML"> <mstyle displaystyle="true"> <mover> <mi>r</mi> <mo>¯</mo> </mover> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> <mo>=</mo> <mrow> <mo>〈</mo> <mn>4</mn> <msup> <mi>t</mi> <mn>2</mn> </msup> <mo>,</mo> <mn>4</mn> <mi>t</mi> <mo>,</mo> <mrow> <mi>ln</mi> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> </mrow> <mo>〉</mo> </mrow> </mstyle> </math>
for <math xmlns="http://www.w3.org/1998/Math/MathML"> <mstyle displaystyle="true"> <mn>1</mn> <mo>≤</mo> <mi>t</mi> <mo>≤</mo> <mn>5</mn> </mstyle> </math>
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Parametric Curves
Arc Length
Derivatives
Formulas
Arc length of parametric curve: L = ∫(√[(dx/dt)² + (dy/dt)² + (dz/dt)²] dt)
Derivative of x(t) = 4t² → dx/dt = 8t
Derivative of y(t) = 4t → dy/dt = 4
Derivative of z(t) = ln(t) → dz/dt = 1/t
Theorems
Arc Length Formula for Parametric Curves
Suitable Grade Level
Undergraduate (Calculus II or III)
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