CBSE Class 8 Answered
find the
![question image](http://images.topperlearning.com/topper/new-ate/top_mob15975871244156364783d64daec-0626-41f0-b843-dd416333dc69.jpg)
Asked by sunandasharanappa | 16 Aug, 2020, 19:42: PM
392 = (30 + 9)2
= 302 + 2(30)(9) + 92 ... (a + b)2 = a2 + 2ab + b2
= 900 + 540 + 81
= 1521
Answered by Yasmeen Khan | 16 Aug, 2020, 22:08: PM
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