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JEE Advanced Mathematics question

MathematicsSolution of TrianglesJEE Advanced

Not in JEE syllabus

If then the sides of the are in

Answer: (A)

Solution

. The left side is . Dividing by :

Missing argument for \frac\frac{A-B}2=2Missing argument for \frac\frac C2=2Missing argument for \frac\frac{A+B}2.

Expanding: $Missing argument for \frac\frac A2Missing argument for \frac\frac B2+Missing argument for \frac\frac A2Missing argument for \frac\frac B2=2Missing argument for \frac\frac A2Missing argument for \frac\frac B2-2Missing argument for \frac\frac A2Missing argument for \frac\frac

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Question ID VK-108703