Math, asked by AshleyMukadam, 11 months ago

Find square by expansion method: 34 and 42
Pls help for my finals

Answers

Answered by utsavmjoshi

7

Answer:

Step-by-step explanation:

34²

=(30+4)²

=900 +240 +16 [(a+b)²=a² + b² +2ab]

=1156

42²

(40+2)²

=1600 + 160 +4 [(a+b)²=a² + b² +2ab]

=1764

AshleyMukadam: Thank you

utsavmjoshi: make me brainliest

Answered by hackstar742

1

Answer:

Step-by-step explanation:

34²

=900 +240 +16

=1156

42²

=1600 + 160 +4

=1764

AshleyMukadam: Thanks

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