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Segundo examen de álgebra Simplifica: 4 1. √81 2 2. √ 100 4 3. √200 √50 4. 2 3 √4 √10 4 2 5. √6 √2 3 7 6. √ √5 2 2 7. √8 √4 3 8. √𝑥 6 𝑦 9 𝑧 3 5 9. √𝑥 12 𝑦 9 𝑧13 2 10. √64𝑥 2 𝑦 4 𝑧 7 Desarrolla: (x+4)(x-4)= (x-5)2= (z+2)(z-2)= (y+7)(y-7)= (x-3)7= (y+5)4= (z+4)5=