Question

U. (i) 8a³+ b³+ 12a²b + 6ab²
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Answer 1

Answer:

8a³ + b³ + 12a²b + 6ab²

This can be re-written as: (2a)³ + (b)³ + 3(2a)²(b) + 3(2a)(b)²

which is of the form (x + y)³ = x³ + y³ + 3x²y + 3xy²

Here, x = 2a, y = b

Hence 8a³ + b³ +12a²b + 6ab² = (2a + b)³

Answer 2

Step-by-step explanation:

8a3+b3= 8ab3+

12a2b+6ab2=8ab3+ 12a2b×6ab2