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JEE Advanced Mathematics question

MathematicsSolution of TrianglesJEE Advanced

Not in JEE syllabus

In a triangle with fixed base , the vertex moves such that . If and denote the lengths of the sides of the triangle opposite to the angles and respectively then

Answer: (B),(C)

Solution

. The condition becomes (since )

= 2Missing argument for \frac\frac A2.

Multiply both sides by and use :

2 = 2ยท 2Missing argument for \frac\frac

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Question ID VK-110723