Question

x3+y3 in expanded form​

Answer 1

Answer:

${x}^{3} + {y}^{3} \\ (x + y {)}^{3} \\ \: \: \: \: \: \: \: \: \: \: \: \: using \: \: this \: \: identity \: \\ (a + b {)}^{3} = {a}^{3} + {b}^{3} + 3ab(a + b) \\ \\ (x + y {)}^{3} = {x}^{3} + {y}^{3} + 3xy(x + y) \\ = {x}^{3} + {y}^{3} + 3 {x}^{2} y + 3x {y}^{2}$

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Answer 2

Answer:

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