please answer these questions
Attachments:

Answers
Answered by
0
Step-by-step explanation:
the solution is in the picture
Attachments:

Answered by
0
Step-by-step explanation:
a+b+c) ²=a²+b²+c²+2ab+2bc+2ca
a+b) ²=a²+b²+2ab
a+b) ³=a³+b³+3a²b+3ab²
Similar questions