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CBSE Class 8 Answered

find the
question image
Asked by sunandasharanappa | 16 Aug, 2020, 07:42: PM
answered-by-expert Expert Answer
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, 10:08: PM

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