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A circular plate expands when heated from a radius of 5 cm to 5.06 cm. Find the approximate increase, percentage increase in area.

+3 votes

asked Jan 1, 2019 in JEE by kratos

A circular plate expands when heated from a radius of 5 cm to 5.06 cm. Find the approximate increase, percentage increase in area.

applications of derivatives
differentials error
partial derivatives
jee
approximation
application of derivative
jee mains
class-12
errors and approximations
differentials

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1 Answer

+3 votes

answered Mar 31, 2020 by kratos

Best answer

Let r be the radius, A be the area of the circular plate.

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