Question

Evalute the following using identites:
(3.25)² - (0.25)²
----------------------
3 ​

Answer 1

Step-by-step explanation:

(3.25+0.25)(3.25-0.25)

=10.5

Answer 2

Answer

(3.25)² - (0.25)² is in the form a²-b²

∴(3.25-0.25)*(3.25+0.25)

=(3)*(3.5)

=10.5

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