Given 3 sequences A(n),B(n),C(n),their nth terms are
i.)3n square
ii.)(3n) square
iii)(-3n) square
respectively.Write down the first 3 terms of each sequence.
Maths questions????
2006-11-13 3:17 am
回答 (1)
2006-11-13 3:27 am
✔ 最佳答案
u just need to sub 1,2 and 3 into themi.) the first term is 3x1square=3x1=3
the second term is 3x2 square= 3x4=12
the third term is 3x3 square=3x9=27
ii.) the 1st term= (3x1)square= 3 square=9
the 2nd term= (3x2)square= 6 square= 36
the 3rd term= (3x3) square= 9 square =81
iii.) the 1st term= (-3x1)square=(-3)square= 9
the 2nd term= (-3x2)square=(-6)square=36
the 3nd term= (-3x3)square=(-9)square=81
參考: me
收錄日期: 2021-04-18 19:50:25
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