Question

evaluate the following by using identity -I​

Answer 1

Answer:

I can't understand.......

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Answer 2

Step-by-step explanation:

(203)²

(200+3)²

(a+b)² = a²+b²+2ab

a=200

b=3

(203)² = (200)² + (3)² + 2*200*3

= 40000 + 9 + 1200

= 41209

Hope it helps.

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