Question

using the properties of square, find the following products? 59*61
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Answer 1

Step-by-step explanation:

(60-1)(60+1)

=60^2-1^2

=3600-1

=3599

Answer 2

Answer:

59*61

= (60-1)(60+1)

= (a-b)(a+b)

= (a² - b²)

= (60)² - (1)²

= 3600 - 1

= 3599