PCB.1.4.1 Explain the patterns found in the expanded form of (x + y)n, n ≤ 4 and n ∈ N by multiplying ,n factors of (x + y).
PCB.1.4.1 Explain the patterns found in the expanded form of (x + y)n, n ≤ 4 and n ∈ N, by multiplying n factors of (x + y).