hey mate please help me
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Very simple
(400 - 1)2 = 1600-1= 1599
3ka and (1000-9)(1000+9) = (1000)2 -(9)2
=1000000-81= 999919
4ka ans (100+17)(100-17)=(100)2-(17)2=10000-289=9711
pleas mark in brainlist
(400 - 1)2 = 1600-1= 1599
3ka and (1000-9)(1000+9) = (1000)2 -(9)2
=1000000-81= 999919
4ka ans (100+17)(100-17)=(100)2-(17)2=10000-289=9711
pleas mark in brainlist
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