In a triangle ABC, with usual notation A=60^ 0 , then (1+ a c + b c ) (1+ c b - a b )=

MHT CET 2022 Mathematics question

Not in JEE syllabus

In a triangle ABC, with usual notation , then

Answer: (D)

Combine each bracket: . By the cosine rule with : ,

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-093877