Question

घन ज्ञात करोः
(i) (a+2b)​

Answer 1

Step-by-step explanation:

(a+2b)^3= a^3 +b^3 +3a^2b +3ab^2

Answer 2

Step-by-step explanation:

$(a + b)^{3}$

formula

${a}^{3} + 2a ^{2} b + 2ab ^{2} + {b}^{3}$

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

${a}^{3} + 4 {a}^{2} b + 8ab ^{2} + 8b ^{3}$

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