Math

∑(x+y)
c. ∑(x+∑(y))
d. ∑x+ ∑y
e. ∑(x)+ ∑(y)*

what do each of these mean?
what's the differences?

  1. 1
asked by Nicole
  1. top line
    (1 + 2) + (3 + 4) = 10

    = (1+3) + (2 + 4) = 10

    associate property of addition d.

    as for the rest

    c. add y values 2+4 = 6
    now 1 + 6 + 3+6 = 16 NO

    e. sum of x values + sum of complex conjugates of y values?

    posted by Damon
  2. Sorry Damon, I am confused can you elaborate?
    and use a, b, c, d, e so I know what you are referring to?

    posted by Nicole
  3. This may help as well
    X = {2, 2, 9, 5, 6}
    Y = {4, 7, 12, 8, 9}

    posted by Nicole

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