If a, b, c are the sides of triangle A B C, then what is \left|\begin{array}{cc}a^2 & b \sin \\\A & c \sin \\\A \ b \sin \\\A & 1 & \cos A \ c \sin \\\A & \cos A & 1 |\end{array} \text{. equal to ? }

UPSC NDA I 2024 Mathematics Paper

Question : 25 of 120

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If a,b,c are the sides of triangle ABC, then what is
|

|‌. equal to ? ‌

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