Question

Using some algebraic identity , evaluate-(5.82^2)-(2.36)^2/(5.82-2.36)

Answer 1

Answer:

299 can be otherwise be written as (300 - 1)

299² = (300 - 1)²

By using identity (a - b)² = (a + b) (a - b), we get:

     ⇒ (300 + 1) (300 - 1)

     ⇒ 301 * 299 = 89999

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