Let A(\frac{3}\sqrt{a}, \sqrt{a}), a>0, be a fixed point in the xy-plane. The image of {A} in {y}-axis be {B} and the image of B in x-axis be C. If D(3 \cos \theta, a \sin \theta) is a point in the fourth quadrant such that the maximum area of \triangle A C D is 12 square units, then a is equal to____ [24-Jun-2022-Shift-1]

Straight Lines and Pair of Straight Lines Part 1

Section: Mathematics

Question : 6 of 100

Marks: +1, -0

Let A(‌

√a

,√a),a>0, be a fixed point in the xy-plane. The image of A in y-axis be B and the image of B in x-axis be C. If D(3‌cos‌θ,a‌sin‌θ) is a point in the fourth quadrant such that the maximum area of △ACD is 12 square units, then a is equal to____

[24-Jun-2022-Shift-1]

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