Question

The following data is taken for the students in the classrooms weight (x) and height (y). The following are the data points for this situation: (140,60), (155,62), (159,76), (179,70),(192,71) ,(200,72),(212,75)

Answer 1

using factor therom show that (a-b)is a factor of a(b^2-c^2+b(c^2-a^2)+c(a^2-b^2If x + y = 24 and xy = 28, find the value of x2 + y2