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A circular plate expands uniformly under...

A circular plate expands uniformly under the influence of heat. If it’s radius increases from 10.5 cm to 10.75 cm, then find an approximate change in the area and the approximate percentage change in the area.

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The correct Answer is:
`5.25 pi, 4.76%`
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NCERT TAMIL-DIFFERENTIALS AND PARTIAL DERIVATIVES-EXERCISE 8.2
  1. Find differential dy for each of the following functions : y = ((1-...

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  2. Find differential dy for each of the following functions : y = (3 +...

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  3. Find differential dy for each of the following functions : y = e^(x...

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  4. Find df for f(x) = x^(2) + 3x and evaluate it for x = 2 and dx = 0....

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  5. Find df for f(x) = x^(2) + 3x and evaluate it for x = 3 and dx = 0....

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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) = 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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