Respuesta:
Hallamos el valor de L(4) y L(5):
[tex]L(4)=9(4)^{2} +5(4)+7\\ \\ L(4)=9(36) +20+7\\ \\ L(4)=324+20+7\\ \\ L(4)=351[/tex]
[tex]L(5)=9(5)^{2} +5(5)+7\\ \\ L(5)=9(25)+25+7\\ \\ L(5)=225+25+7\\ \\ L(5)=257[/tex]
Sumamos L(4) y L(5)
[tex]L(4)+L(5)\\ \\ 351+257\\ \\ 608\\ \\ Rpta=608[/tex]
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Respuesta:
Hallamos el valor de L(4) y L(5):
[tex]L(4)=9(4)^{2} +5(4)+7\\ \\ L(4)=9(36) +20+7\\ \\ L(4)=324+20+7\\ \\ L(4)=351[/tex]
[tex]L(5)=9(5)^{2} +5(5)+7\\ \\ L(5)=9(25)+25+7\\ \\ L(5)=225+25+7\\ \\ L(5)=257[/tex]
Sumamos L(4) y L(5)
[tex]L(4)+L(5)\\ \\ 351+257\\ \\ 608\\ \\ Rpta=608[/tex]