October 2018 1 20 Report
5) Reducir :
(√3 + √2)^3 + (√3 - √2)^2

6) Reducir :
(√5 + √3)^2 - (√5 - √3)^2

7) Siendo : a + b = 4 ^ ab, hallar
a^2 + b^2

8) Efectuar :
(a + b)^2 + (b + c)2 - 2ab - 2bc - 2b^2

9) Reducir :
(x + 1)^2 + (x + 2)^2 - 6x - 5

10) Efectuar :
(a + b)(a- b) + b^2
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