Question

Using identities find (102)²​

Answer 1

(102)² = (100 + 2)²

= (100)² + (2)² + 2(100)(2)

= 10000 + 4 + 400

= 10404

Extra information:

(ᴀ + ʙ)² = ᴀ² + ʙ² + 2ᴀʙ

(ᴀ - ʙ)² = ᴀ² + ʙ² - 2ᴀʙ

Answer 2

Answer:

= (102)^2

= (100+2)^2

= (100)^2+2(100)(2)+(2)^2

= (10000)+(202)+(4)