Math, asked by gunjanpatil2274, 1 year ago

42 square by using identity

Answers

Answered by samiramohanty08

3

Answer:

Step-by-step explanation:(40+2)^2

40^2+2^2+2×40×2

1600+4+160

=1764

Answered by 4460mayanksethia

1

Answer:

1764

Step-by-step explanation:

Step-by-step explanation:(40+2)^2

40^2+2^2+2×40×2

1600+4+160

=1764

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