In a triangle ABC, with usual notations if 2 A a + B b + 2 C c = a bc + b ca then A =

MHT CET 2025 Mathematics question

Not in JEE syllabus

In a triangle ABC, with usual notations if then

Answer: (A)

Use the cosine rule: , so ; ; . LHS \dfrac{2(b^2+c^2-a^2) + (c^2+a^2-b^2) + 2(a^2+b^2-c^2)}{2abc}\dfrac3b^2a^2$ +

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Question ID VK-101395