1. - Resolver por descomposición :a)√400 b)√720 c)√3600 d) √729?
1. - Resolver por descomposición : a)√400 b)√720 c)√3600 d) √729.
1. - Resolver por descomposición : a)√400 b)√720 c)√3600 d) √729.
En resumen
√400 = √2 ^ 4 * 5² = 4 * 5 = 20 √720 = 2 ^ 4 * 3² * 5 = 4 * 3 * √5 = 12 * √5 = 26. 83 √3600 = √2 ^ 4 * 3² * 5² = 4 * 3 * 5 = 60 √729 = √3 ^ 6 = 27.
√400 = √2 ^ 4 * 5² = 4 * 5 = 20
√720 = 2 ^ 4 * 3² * 5 = 4 * 3 * √5 = 12 * √5 = 26.
83
√3600 = √2 ^ 4 * 3² * 5² = 4 * 3 * 5 = 60
√729 = √3 ^ 6 = 27.
X² + 7X = 18 X² + 7X - 18 = 0 (X + 9)(X - 2) = 0 X + 9 = 0 X1 = - 9 ; X - 2 = 0 X2 = 2.
8X - 65 = - X² X² + 8x - 65 = 0 (X + 13)(X - 5) = 0 X + 13 = 0 X1 = - 13 X - 5 = 0 X2 = 5.
Respuesta : Mmmm nouususufudidkdk.
Sintaxis 20x2 + - 27x + - 14 = 0 reordenamos los terminos : - 14 + - 27x + 20x2 = 0 resolver - 14 + - 27x + 20x2 = 0 resolver para la bariable 'x'. Factor un trinomio. ( - 2 + - 5x)(7 + - 4x) = 0.