Pair of Straight Lines -Problems
Pair of Straight Lines -Problems 1. Find the acute angle between the pair of line represented by the following equation x² – 7xy + 12y² = 9. Solution: Given that, x² – 7xy + 12y² = 9 Comparing with ax² + 2hxy + by² = 0 a = 1, b = 12 and h = Read more about Pair of Straight Lines -Problems[…]