Question

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求解諸位大神 (ಥ_ಥ)

9
9. 已知多項式函數 (r)、g(x) 符合 (A)=13, (k) = -23 , g(k) = 49
f
f(-k 8( g(-k)=7。若
f(x)+g(x) = 2x² +13x+5 · llik= 3
2k-7
fik)+g(k)= 2K113k+5= 13+49
zk²-13K+21=0 K-3
ftk)+96k)=zK+13k+5=-23+7
(2K-7) (6-3)=0
2K+13K-57=0
ak 19
2k
K-3
(2K+19) (K-3)=0
01 OOTUESE

Answer 1

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