Question

evaluate the following using properties of prefect squares. (29)^2 -(28)^2​

Answer 1

Answer:

Step-by-step explanation:

29^2 - 28^2

Using a^2-b^2= (a+b)(a-b)

=(29+28)(29-28)

=57*1

=57

Answer 2

57

Step-by-step explanation:

= 29² - 28²

= (29+28) (29-28)

As, a²- b²= (a+b) (a-b)

= 57× 1

= 57 Ans

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