Question

Find the cube of
(i) (a + 2b)​

Answer 1

Answer:

(a+2b)³=a³+8b³

Step-by-step explanation:

first we put cube=(a+2b)³

then,we put cube on a=a³

and we put on cube 2b=8b³

So, the answer is a³+8b

Answer 2

Answer:

acube +8bcube +6a square b+12ab square