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Tamil Nadu Board of Secondary EducationHSC Science Class 12

If the volume of a cube of side length x is v = x3. Find the rate of change of the volume with respect to x when x = 5 units

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Question

If the volume of a cube of side length x is v = x3. Find the rate of change of the volume with respect to x when x = 5 units

Sum
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Solution

Volume of a cube v = x3

Rate of change `"dv"/("d"x)` = 3x2

When x = 5 units

`"dv"/("d"x)` = 3(5)2

= 3(25)

= 75 units

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Chapter 7: Applications of Differential Calculus - Exercise 7.1 [Page 8]

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Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 7 Applications of Differential Calculus
Exercise 7.1 | Q 4 | Page 8

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