Question

expand i)x+2y to the power of 3​

Answer 1

Answer:

x³ + 8y³ + 6x²y + 12xy²

Step-by-step explanation:

Using the identity, [ (x+y)³ = x³ + y³ + 3x²y + 3xy² ]

(x+2y)³ = x³ + 8y³ + 3(x)²(2y) + 3(x)(2y)² = x³ + 8y³ + 6x²y + 12xy²

Hope this helps.....