Question

Expand (2a+b)³
show it step by step​

Answer 1

༒࿐៚ Answer ༒࿐៚

$(2a + b {)}^{3} \\ \\ (2a {)}^{3} + 3 \times (2a {)}^{2} \times b + 3 \times 2a {b}^{2} + {b}^{3} \\ \\ 8 {a}^{3} + 3 \times 4 {a}^{2} b + 6a {b}^{2} + {b}^{3} \\ \\ 8 {a}^{3} + 12 {a}^{2} b + 6a {b}^{2} + {b}^{ 3}$

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