JEE Advanced Mathematics question
Not in JEE syllabus
Two sides of a triangle are given by the roots of the equation . The angle between the sides is . The perimeter of the triangle is
Answer: (B)
Solution
Let the sides be : , , included angle . By the cosine rule
=+b
See the full step-by-step solution
Create a free account to read the complete working (3 steps), and practise questions like this in a timed test.
Create a free account