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JEE MATHEMATICS MCQ: RATE MEASURE

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Application +4 | -1

The diagonal of a square is changing at the rate of 0.5 cm

{s^{ - 1}}

. Then, the rate of change of area , when the area is 400

c{m^2}

is equal to

View answer and explanation

Correct option: B

10\sqrt 2 c{m^2}/s

Option B (

10\sqrt 2 c{m^2}/s

) is correct because it is the calculated rate of change of area when the area is 400

c{m^2}

, given the diagonal's rate of change.

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