Question

Si : a + b = 10 y ab = 35
Calcular M= $a^{2} + b^{2}$

Answer 1

Respuesta:

30

Explicación paso a paso:

$a^{2} +2(a)(b)+b^{2} =M\\ a^{2}+ 2(35)+b^{2} =10^{2} \\ a^{2} +70+b^{2} =100\\ a^{2} +b^{2} =30$