Question

$\huge\pink{Question}$


Using he identity (a-b)2 = (a2-2ab+b2)
Evaluate:
(192)2 .











​

Answer 1

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:

this is answer

Step-by-step explanation:

hope it help