Tuliskan 5 suku pertama barisan berikut Un=n²-2n+5

By Admin ReiPosted on December 6, 2022

Tuliskan 5 suku pertama barisan berikut Un=n²-2n+5

Sebenarnya cara carinya tinggal subt. nilai n (suku ke-n)

Gambar Jawaban

U1 =
${1}^{2} - 2(1) + 5 = 4$
U2 =
${2}^{2} - 2(2) + 5 = 5$
U3 =
${3}^{2} - 2(3) + 5 = 8$
U4 =
${4}^{2} - 2(4) + 5 = 13$
U5 =
${5}^{2} - 2(5) + 5 = 20$