Math, asked by PragyaTbia, 1 year ago

विस्तार करा: (7 + m)³

Answers

Answered by hukam0685
3

विस्तार करा:(7+m)³

विस्तार सूत्र:

 {(a+b)}^{3} = {a}^{3} + {b}^{3} + 3 {a}^{2} b + 3a {b}^{2} \\ \\ a=7 \\ \\ b=m \\ \\ {(7+m)}^{3} = {(7)}^{3} + {(m)}^{3} + 3 {(7)}^{2} (m)+ 3(7) {(m)}^{2} \\ \\ = 343+ {m}^{3} + 147 m+ 21{m}^{2} \\ \\

विस्तार:

{(7+m)}^{3} =343+ {m}^{3} + 147m+ 21{m}^{2} \\ \\
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