Question

Using appropriate properties, find the value of 249² - 248²

Answer 1

`\boxed{\bold{\huge{\boxed{497}}}}`

Explanation:

=>
`\sf 249^2 - 248^2`

Using Formula
`\sf a^2 - b^2 = (a+b)(a-b)`

Where

a = 249

b = 248

=>
`\sf (249+248)(249-248)`

=>
`\sf (497)(1)`

=> 497