Question

how to open (a+b)^3....

Answer 1

a^3+b^3+3ab(a+b) .........

Answer 2

➡HERE IS YOUR ANSWER⬇

♧♧Using Formula♧♧

${(a + b)}^{3} \\ \\ = {a}^{3} + 3 {a}^{2} b + 3a {b}^{2} + {b}^{3}$

♧♧Easy Way♧♧

${(a + b)}^{3} \\ \\ = (a + b)(a + b)(a + b) \\ \\ = (a + b)( {a}^{2} + 2ab + {b}^{2} ) \\ \\ = {a}^{3} + 3 {a}^{2} b + 3 {a} b^{2} + {b}^{3}$

⬆HOPE THIS HELPS YOU⬅