Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Lines Properties of Lines
What is the obtuse angle between the lines whose slopes are 2 - √3 and 2 + √3 ?
1
105°
2
120°
3
135°
4
More than one of the above
5
None of the above