Question

(202)2 expansion formula

Answer 1

Answer:

Step-by-step explanation

(202)^2=(200+2)^2

(200)^2 + 2.200.2+(2)^2

=40000+800+4

=40804

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Answer 2

Answer:

first we will break the bracket :

(200 + 2) square

now we will use the identity (a+b)2 means square

200square + 2 square +2 (200) (2)

40000 + 4 + 800

= 40804

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