Question

using the identity find the value of (198)^2​

Answer 1

Step-by-step explanation:

ANSWER

Using (a−b)

2

= a

2

−2ab+b

2

to evaluate (198)

2

Writing (198)

2

as (200−2)

2

⇒ (200−2)

2

= 200

2

−2×200×2+2

2

= 40000−800+4

Hence the answer is 39204

Answer 2

Answer:

The answer is 39,204.......

Step-by-step explanation:

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