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The coordinates of three vertices of a parallelogram are (0, a), (0, 0), and (b, −c). The coordinates of the fourth vertex are? Why is the electric potential negative within the negative charge and positive within the positive charge? and total V is the difference? How I Elaborate the plot of XRD about my synthesized nanoparticles(MMIP)? What does it meant to dream of being a magnet to metallic objects? Sqrt(1-2sin(3x)*sin(7x)) = sqrt(10x)?