Find the value of (199) ^2 using identity.
Answers
Answered by
1
Answer:
199 square is 39601
Step-by-step explanation:
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Answered by
1
Answer:
identity will be (a-b)²=a²+b²-2ab
Step-by-step explanation:
199 can be written as (200-1)
So,
(200-1)²
because (a-b)²=a²+b²-2ab,
therefore,
(200-1)²= (200)² + (1)² - 2×200×1
= 40000+1-400
= 40001-400
=39601ans.
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