Question

Evaluate using identity: (199)​

Answer 1

Answer:

(199)²

(200-1)²

200²-2(200)(1)+1²

40000-400+1

39601

Step-by-step explanation:

Answer 2

ANSWER

199

2

+199

⇒199(199+1)⇒199(200)

⇒(200−1)(200)

⇒(200)

2

−200

⇒40000−200

⇒39800.

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