In a triangle ABC, with usual notations, if c = 4, then value of (a - b)^2 ^2 C2 + (a + b)^2 ^2 C2 is

MHT CET 2023 Mathematics question

Not in JEE syllabus

In a triangle ABC, with usual notations, if , then value of is

Answer: (B)

Expand: b)^2$ C2+(a+ C2=+ C2+ C2)-2ab( C2- C2)=+-2ab

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Question ID VK-095239