Question

Evaluate

(29)²-(28)² ​

Answer 1

Answer:

57

Step-by-step explanation:

here, a^2 - b^2 formula is used.........!

we know that a^2 - b^2 = (a+b)(a-b)

so, (29 - 28)(29 + 28)

   = (1)(57)

=> 57