. Evaluate the following by using identities: (397)2 - (396)2
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Answered by
1
Answer:
use a2-b2=(a-b)(a+b)
Step-by-step explanation:
Answered by
4
Answer:
793
Step-by-step explanation:
(397)^2 - (396)^2
= (397+396) (397-396) [using the Identity]
= 793*1
= 793
: )
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