Corrección Examen Progreso I - PUCACHAQUI
Corrección Examen Progreso I - PUCACHAQUI
Corrección Examen Progreso I - PUCACHAQUI
3 3 3
√3 √22 √3. √4 √3. √4
(b) 3 ×3 = 3 =
√2 √22 √23 2
4 4 4 4
3 3 √2 3 √2 3 √2 3 √2
(c) 4 = 4 3
×4 = 4 = 4 =
√8 √2 √2 √23 .2 √24 2
3 1 3 3
5 25
(a) ( √𝑎2 𝑏 )5 = ((𝑎2 𝑏)5 )5 = (𝑎2 𝑏)25 = √𝑎6 𝑏3
5
(𝑎2 𝑏−3 𝑐4 ) 𝑎10 𝑏−15 𝑐 20 𝑎7 𝑐14
(b)
(𝑎−1 𝑐−2 )−3
= =
𝑎3 𝑐 6 𝑏15
(b) (𝑥 + 1)(𝑥 2 + 𝑥 + 3) = 𝑥 3 + 𝑥 2 + 3𝑥 + 𝑥 2 + 𝑥 + 3 = 𝑥 3 + 2𝑥 2 + 4𝑥 + 3
(d) (2𝑎 + 3)3 = (2𝑎)3 + 3(2𝑎)2 (3) + 3(2𝑎)(3)2 + 33 = 8𝑎3 + 36𝑎2 + 54𝑎 + 27