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A coat of paint of thickness 0.2 cm is a...

A coat of paint of thickness `0.2` cm is applied to the faces of a cube whose edge is 10 cm. Use the differentials to find approximately how many cubic centimeters of paint is used to paint this cube. Also calculate the exact amount of pain used to pain this cube.

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The correct Answer is:
`=1061.2 - 1000=61.2 cm ^(3)`
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PREMIERS PUBLISHERS-DIFFERENTIALS AND PARTIAL DERIVATIVES-EXERCISE 8.2
  1. Find differential dy for y=((1-2x)^(3))/(3-4x).

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  2. Find differential dy for each of the function : y =3 (3 + sin (2x ))...

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  3. Find differential dy for each of the function : y =( e ^(x^2-5x +7))...

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  4. Find df for f(x) = x^(2)+3x and evalaute it for (i) x=2 and dx = 0.1...

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  5. Find df for f(x) = x^(2)+3x and evalaute it for (i) x=2 and dx = 0.1...

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  6. Find Delta f and df for the function f for the indicated values of x, ...

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  7. Find Delta f and df for the function f for the indicated values of x, ...

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  8. Assuming log(10)e=0.4343, find an approximate value of log(10) 1003.

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  9. The trunk of a tree has diameter 30 cm. During the following year, the...

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  10. The trunk of a tree has diameter 30 cm. During the following year, the...

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  11. An egg of a particular bird is very nearly spherical. If the radius to...

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  12. Assume that the cross section of the artery of human is circular. A dr...

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  13. In a newly developed city, it is estimated that the voting population ...

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  14. The relation between the number of words y a person learns in x hours ...

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  15. The relation between the number of words y a person learns in x hours ...

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  16. A circular plate expands uniformly under the influence of heat. If it'...

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  17. A coat of paint of thickness 0.2 cm is applied to the faces of a cube ...

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