Question

Выполните указанные действия:
4)(5/6a^2b^3 - 3/5ab)^2
5)(4/5a^3b^3 - 1 1/4a^2b^3)^2
6)(1 2/5m^5n^3+0.4m^3n^2)^2

Answer 1

4)=25/36а^4b^6-a^3b^4+9/25a^2b^2
5)=16/25a^6b^6-2/5a^5b^6+1/16a^4b^6
6)=4/25m^10n^6+8/25m^8n^5+0,16m^6n^4