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NDA Math Application of Derivatives

Consider the following information for the next three (03) items that follow:

Three sides of a trapezium are each equal to

6 \text{cm}

. Let

\alpha \in \left(0, \frac{\pi}{2}\right)

be the angle between a pair of adjacent sides.

[NDA I 2018]

Question : 41 of 73

Marks: +1, -0

Solution:

Maximum area

=9 \times 3\sqrt{3}=27\sqrt{3}

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