If a, b, c are the sides of triangle ABC, then what is vmatrix a^2&b A&c A A&1& A A& A&1 vmatrix equal to?

NDA 2024 Mathematics question

If are the sides of triangle , then what is equal to?

Answer: (A)

By the sine rule and . Taking common from the first row and the first column: a^2$ =

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

Question ID VK-029796