Question

Como calcular raiz quadrada de 75 menos raiz quadrada de 48 menos raiz quadrada de 12

Answer 1

Primeiro faça a fatoração desses respectivos algarismos:

75   3                                       48    2                               12       2  

25    5                                      24    2                                 6        2

5      5                                      12     2                                  3      3

1                                                 6     2                                 1       

                                                    3     3

                                                    1

√75 -√48 -√12=

√3x5x5 - √2x2x2x2x3 - √2x2x3 =

5√3 - 4√3 - 2√3 =

5√3 - 6√3 =

- √3