einsteinholmes
einsteinholmes einsteinholmes
  • 01-09-2020
  • Mathematics
contestada

using appropriate properties, find the value of 249² - 248²

Respuesta :

ujalakhan18
ujalakhan18 ujalakhan18
  • 01-09-2020

Answer:

[tex]\boxed{\bold{\huge{\boxed{497}}}}[/tex]

Step-by-step explanation:

=> [tex]\sf 249^2 - 248^2[/tex]

Using Formula [tex]\sf a^2 - b^2 = (a+b)(a-b)[/tex]

Where

a = 249

b = 248

=> [tex]\sf (249+248)(249-248)[/tex]

=> [tex]\sf (497)(1)[/tex]

=> 497

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