Question

(a+b)^3? (a-b)^3?
Răspuns complet vă rog!Hai cu punctele!

Answer 1

a^3+3a^2b+3ab^2+b^3
a^3-3a^2b+3ab^2-b^3

Answer 2

$(a+b)^{3} =a^{3} +3a ^{2} b+3a b ^{2} +b ^{3}$
$(a-b)^{3} =a^{3} -3 a^{2} b+3a b^{2} -b^{3}$
Sper ca te-am ajutat !Succes!