Hallo,
(5a2-3b2) × (5a2-3b2)=
(5 a^2 -3 b^2)^2
-->binomische Formel:
(a-b)^2= a^2 -2ab +b^2
------> 25 a^4 -30 a^2 b^2 +9 b^4
Hallo,
(5a2-3b2) × (5a2-3b2)=
(5 a^2 -3 b^2)^2
-->binomische Formel:
(a-b)^2= a^2 -2ab +b^2
------> 25 a^4 -30 a^2 b^2 +9 b^4