Answer:
According to the question, the determinant can be solved as
If the co-ordinates of the vertices of an equilateral triangle with sides of length ‘a’ are (x1, y1),(x2, y2), (x3, y3), then
If the co-ordinates of the vertices of an equilateral triangle with sides of length ‘a’ are (x1, y1),(x2, y2), (x3, y3), then