Question

angle of a with the line x + y = 0 is x-+ 25
17) Show that the line 3x + 4y + 5 = 0 and the lines (3x + 4y)2 - 3(4x – 3y) =0 form an equilateral
triangle.
18) Show that lines x2 - 4xy + y2 = 0 and x + y = 16 form an equilateral triangle. Find its area and​

Answer 1

Answer:

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