发布网友
共3个回答
热心网友
当x=-7时
7=a(-7)^5+b(-7)^3+c(-7)-5
7=-a7^5-b7^3-7c-5
-12=a7^5+b7^3+7c
当x=7时
y=a7^5+b7^3+7c-5
y=-12-5=-17
热心网友
当X=-7时,Y1=a(-7)^5+b(-7)^3+(-7)-5=7 得a(-7)^5+b(-7)^3=19 即a(7)^5+b(7)^3=-19
当X=7时,Y2=a(7)^5+b(7)^3+(7)-5=-19+7-5=-17
热心网友
-17