If the sum of squares of all real values of , for which the lines and do not form a triangle is p , then the greatest integer less than or equal to p is ______
Answer: 32
Solution
Three lines fail to form a triangle when they are concurrent, or when at least two of them are parallel.
Lines: , , .
Concurrent:
**:** matching slopes, .
**:** .
Sum of squares of all such :
The greatest integer is .
Lines: , , .
Concurrent:
**:** matching slopes, .
**:** .
Sum of squares of all such :
The greatest integer is .
JEE Main · 2024 · 27 Jan 2024 · Shift 2 · Integer answer