1. Let 21, 22, 23 denote the vertices of an equilateral triangle. Prove that 2₁ +2²² +2²=2122 +2223 +2371. 2. Show that the transformation I(z) = or a circle. sends a circle to a straight line

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A: To Determine:  Is the statement is True or False All parallelogram are squares

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A:

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A: Find the equation

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A: Solved below

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