Please answer the question given in the attachment.
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Answered by
2
Answer:
(699)²=488601
Step-by-step explanation:
(699)²
(700-1)²
(700)²+(1)²-2*700*1
490000+1-1400
488601
Answered by
1
Answer:
488601
Step-by-step explanation:
(700-1)2= (700)2 - 2×700×1 + (1)2
=490000-1400+1
=488601
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