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How much larger than the sum of −1, −2, and 5 is the sum of the squares of these same integers?

Sagot :

sum of -1, -2, and 5 is (-1)+(-2)+5=2. 

sum of squares is (-1)^2+(-2)^2+5^2=1+4+25=30. 

Hence the sum of squares is 30-2=28 larger.

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