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Solve the problem. 21) A metal cube dissolves in acid such that an edge of the cube decreases by 0.52 mm/min. How fast is the volume of the cube changing when the edge is 7.4 mm? Evaluate. 22) 12x3 √x dx

Solve the problem. 21) A metal cube dissolves in acid such that an edge of the cube decreases by 0.52 mm/min. How fast is the volume of the cube changing when the edge is 7.4 mm? Evaluate. 22) 12x3 √x dx

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Solve the problem. 21) A metal cube dissolves in acid such that an edge of the cube decreases by 0.52 mm/min. How fast is the volume of the cube changing when the edge is 7.4 mm? Evaluate. 22) 12x3√x dx
Transcribed Image Text:Solve the problem. 21) A metal cube dissolves in acid such that an edge of the cube decreases by 0.52 mm/min. How fast is the volume of the cube changing when the edge is 7.4 mm? Evaluate. 22) 12x3√x dx
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