Question

Evaluate: (2a + b)³. ​

Answer 1

Answer:

(2a+b)³

now using identity (x+y)³=x³+y³+2x²y + 2xy²

now put numbers

here x=2a

y=b

2a³+b³+2×2a²×b +2×2a×b²

8a³+b³+8a²b+4ab²

This is the correct solution

hope you understood