Aiutatemi grazie!!
Aiutatemi grazie!!
1 - ((1 - 3/5·x^3)^2 + (1/2·x^2 + 2)^2 - 9/5·x^2·(1/5·x^4 - x^2) - 1/5·x^2·(4·x + 13 + 41/4·x^2) + x^2·(2·x + 3/5)) =
=1 - ((9·x^6/25 - 6·x^3/5 + 1) + (x^4/4 + 2·x^2 + 4) - (9·x^6/25 - 9·x^4/5) - (41·x^4/20 + 4·x^3/5 + 13·x^2/5) + (2·x^3 + 3·x^2/5)) =
=1 - 5 = -4