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JEE Advanced Mathematics question

MathematicsSolution of TrianglesJEE Advanced

Not in JEE syllabus

Two sides of a triangle are cm and cm and the angle opposite to the shorter side of the two is . The largest possible length of the third side is

Answer: (A)

Solution

Let the third side be . The angle is opposite the side , so it is included between and . Cosine rule:

(2Missing argument for \sqrt\sqrt=(2Missing argument for \sqrt\sqrt+-2·2Missing argument for \sqrt\sqrt3·

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Question ID VK-108684