Math, asked by pragneshpatel3601, 4 months ago

Use the identity and find the square of 189.
(a-b)2 =A2 - 2ab + b2

Answers

Answered by chikki43

1

Step-by-step explanation:

(190-1)²=190²-2(190)(1)+1²

36100-380+1

-380+36101

35721

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