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The radius of a circular blot of oil is ...

The radius of a circular blot of oil is increasing at the rate of 2 cm/min. The rate of change of its circumference is

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The correct Answer is:
`4pi" cm"//"min"`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-APPLICATIONS OF DERIVATIVES -Examples for Practice
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  9. Water is being poured at the rate of 36" m"^(3)//"sec" in a cylindrica...

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  10. Find the approximate values of : (4.01)^(5)

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  11. Find the approximate values of : sqrt(144.02)

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  12. Find the approximate values of : root(3)(26.96)

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  13. Find the approximate values of : f(x)=x^(3)+5x^(2)-7x+10" at "x=1.1...

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  14. Find the approximate values of : cos(60^(@)30')," given "1^(@)=0.01...

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  16. Find the approximate values of : tan(44^(@))," given "1^(@)=0.0175^...

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  17. Approximate value of tan^(-1)(0.999) is

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  18. Find the approximate values of : cot^(-1)(1.001)

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  19. Find the approximate values of : sin^(-1)(0.51)," given "sqrt(3)=1.7...

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  20. Find the approximate value of loge(101) given loge 10=2*3026

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