Question

using sutable identity find 79 squared​

Answer 1

Answer:

6241

Step-by-step explanation:

(79)² = (80 - 1)²

(a - b)² = a² - 2ab + b²

∴ (80 - 1)² = (80)² - (2 × 80 × 1) + (1)²

= 6400 - 160 + 1

= 6401 - 160

= 6241

I HOPE IT HELPS YOU

MARK AS BRAINLIEST :)

Answer 2

79²

79²= (80-1)². Using (a - b)² = a² - ab

- ab + b²

= 80²- {2×80} +1²

= 6400 - 160 + 1

= 6241

hope this helps you my friend