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CBSE Class 8 Answered

(4m + 5n)*2 + (5m + 4n)*2

Asked by amansikandar558 | 11 Dec, 2019, 04:43: PM
Expert Answer
(4m + 5n)2 + (5m + 4n)2
= 16m2 + 25n2 + 40mn + 25m2 + 16n2 + 40mn    ... since  (a + b)2  = a2 + 2ab + b2 
= 41m2 + 41n2 + 80mn
Answered by Yasmeen Khan | 11 Dec, 2019, 07:18: PM
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