expand [2x+1]2

Asked by sujitkumarhirwani | 23rd Sep, 2018, 08:01: AM

Expert Answer:

 
 
We know that (a + b)2 = a2 + 2ab +  b2 
(2x + 1)2 = (2x)2 + 2 × 2x × 1 +  (1)2  = 4x2 + 4x + 1

Answered by Yasmeen Khan | 24th Sep, 2018, 10:44: AM

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