Math, asked by adityasainityyy58, 9 months ago

Using identites, evaluate the following (81)²

Answers

Answered by shraddha842938

4

Answer:

(81)²

(80 + 1)²

(80)² + 2(80) (1) +(1)²

6400 +160 + 1

6561.

Step-by-step explanation:

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