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JEE Advanced Mathematics question

MathematicsSolution of TrianglesJEE Advanced

Not in JEE syllabus

The number of possible triangles ABC in which cm, cm and is

Answer: (C)

Solution

, , (ambiguous case). Cosine rule:

A=⇒Missing argument for \frac\frac12=⇒ - c+2=0.

Discriminant , and the

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Question ID VK-108743