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The side of an equilateral triangle is i...

The side of an equilateral triangle is increasing at the rate of 2 cm/s. At what rate is its area increasing, when the side of the triangle is 20 cm ?

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The correct Answer is:
`20 sqrt(3) cm^(2)//s`
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ARIHANT PUBLICATION-APPLICATION OF DERIVATIVES -CHAPTER PRACTICE (SHORT ANSWER TYPE QUESTIONS )
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