The equation of the base of an equilateral triangle is x+y=2 and the vertex is (2, –1)…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
The equation of the base of an equilateral triangle is \(x+y=2\) and the vertex is (2, –1). Length of its side is 
then \(\frac{10}{l^{2}}\) equals
then \(\frac{10}{l^{2}}\) equals- 10
- 15
- 20
- 5
Answer
(B) 15
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