Respuesta :

Answer:

29400

Step-by-step explanation:

[tex] formula: \\ {a}^{2} - {b}^{2} = (a + b)(a - b) \\ ( {197)}^{2} - ( {97)}^{2} \\ = (197 + 97)(197 - 97) \\ = 294 \times 100 \\ = 29400 \\ [/tex]