Ответ:
1
а) (3х-1)^2=3х^2-2*3х*1-1^2
б) (3а+с)^2= 3а^2+2*3а*с+с^2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1
а) (3х-1)^2=3х^2-2*3х*1-1^2
б) (3а+с)^2= 3а^2+2*3а*с+с^2