Respuesta:
149
Explicación paso a paso:
vamos a hallar [tex]a^{2} + b^{2}[/tex]
[tex](a+b)^{2}[/tex] = [tex]a^{2} + 2ab + b^{2}[/tex] = [tex]a^{2} + 2(38) + b^{2}[/tex]
[tex]15^{2}[/tex] = [tex]a^{2} + 2(38) + b^{2}[/tex]
225 - 76 = [tex]a^{2} + b^{2}[/tex]
149 = [tex]a^{2} + b^{2}[/tex]
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Respuesta:
149
Explicación paso a paso:
vamos a hallar [tex]a^{2} + b^{2}[/tex]
[tex](a+b)^{2}[/tex] = [tex]a^{2} + 2ab + b^{2}[/tex] = [tex]a^{2} + 2(38) + b^{2}[/tex]
[tex]15^{2}[/tex] = [tex]a^{2} + 2(38) + b^{2}[/tex]
225 - 76 = [tex]a^{2} + b^{2}[/tex]
149 = [tex]a^{2} + b^{2}[/tex]