Question

(i) (2x + 1)
$(2x + 1) {}^{3}$
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Answer 1

Answer:

Here's your answer

$(2x + 1) ^{3} = {2x}^{3} + 1 + 3 ({2x}^{2} )1 \\ + 3(2x) {1}^{2} \\ \\ = 8 {x}^{3} + 1 + 12 {x}^{2} + 6x$

Hope it helps ✌.....

Answer 2

Answer:

2x^3+1^3+3×2x^2×1+3×2x×1^2

8x^3+1+3×4x^2+6x

8x^3+12x^2+6x+1...✌️✌️