8. Factorizar : a 4 + a 2 b2 + a 2 c 2 + b2 c 2?
8. Factorizar : a 4 + a 2 b2 + a 2 c 2 + b2 c 2.
8. Factorizar : a 4 + a 2 b2 + a 2 c 2 + b2 c 2.
En resumen
(a2 + b2 )( a2 + c2) = a4 + a2c2 + a2b2 + b2c2 Listo!
(a2 + b2 )( a2 + c2) = a4 + a2c2 + a2b2 + b2c2
Listo!
Bueno 84 es haces el mcm y te queda asi 2×2×3×7 2 al cuadrado ×3×7.
a(a + 1) - b(a + 1) (a + 1)(a - b) a(x + 1) - b(x + 1) + c(x + 1) (x + 1)(a - b + c) x - 9 x + 8 - 9x + 8x = - x (x - 9)(x + 8) [ (a + 2) + (a - 3)] [(a + 2) - (a - 3)] [ a + 2 + a - 3 ] [ a + 2 - a + 3 ] [2a - 1] [ +…