Question

4s^2 - 4s + 1. please koei help kar do.​​

Answer 1

$4 {s}^{2} - 4s + 1 \\ \\ = > 4 {s}^{2} - 2s - 2s + 1 \\ \\ = > 2s(2s - 1) - 1(2s - 1) \\ \\ = > (2s - 1)(2s - 1) \\ \\ = > {(2s - 1)}^{2}$

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