Question

multiply (2n+1) (2n+1)​

Answer 1

Answer:

(2n+1)(2n+1)

(2n+1)²

(a+b)² = a²+2ab+b²

hence,

(2n+1)² = (2n)²+(2×2n×1)+1²

= 4n²+4n+1

Answer 2

Answer:

4n^2+4n+1

Step-by-step explanation:

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