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Find the rate of change of the area of a...

Find the rate of change of the area of a circle with respect to its radius r when r = 5 cm.

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A N EXCEL PUBLICATION-APPLICATION OF DERIVATIVES-QUESTION BANK
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  2. The volume of a cube is increasing at a rate of 9 cubic centimetres pe...

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  3. A stone is dropped into a quiet lake and waves move in circle at a spe...

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  4. The length x of a rectangle is decreasing at the rate of 3 cm/minute a...

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  5. The total cost C (x) in Rupees, associated with the production of x un...

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  6. The total revenue is Rupees received from the sale of x units of a pro...

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  7. A man of height 2 metres walks at uniform speed of 2 km/h away from a ...

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  8. Find the rate of change of the area of a circle with respect to its ra...

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  9. Find the rate of change of the area of a circle with respect to its ra...

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  10. The volume of a cube is increasing at the rate of 8cm^3//S. How fast i...

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  11. The radius of a circle is increasing uniformly at the rate of 3cm/s. F...

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  12. The edge of a variable cube is increasing at the rate of 3 cm/s. How f...

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  13. A stone is dropped into a quiet lake and waves move in circle at the ...

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  14. The radius of a circle is increasing at the rate of 0.7 cm/s. What is ...

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  15. The length of a rectangle is decreasing at the rate of 5 cm/mi and the...

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  16. Suppose that a spherical balloon is inflated and it has volume 'v' and...

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  17. A balloon, which always remains spherical has a variable radius. Find ...

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  18. A ladder 5m long is leaning against a wall. The bottom of the ladder i...

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