(4+√5)2

Asked by nyojast | 15th Dec, 2019, 10:20: PM

Expert Answer:

(4+√5)2 = 16 + 5 + 8√5   ... since (a + b)2 = a + 2ab + b2
             = 21 + 8√5 

Answered by Yasmeen Khan | 16th Dec, 2019, 03:31: PM