Math, asked by vishu957, 11 months ago

use algebraic method to find the square of 309​

Answers

Answered by andes1282
9

Answer:

Step-by-step explanation:

(309)^2 = (300 + 9)^2

             = (90000 + 5400+ 81)                  (a+b)^2 = a^2 + 2ab + b^2

              =95481.

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