// Java code to generate // 'Nth' term of this sequence class GFG { // Function to generate a fixed number public static int nthTerm(int N) { int nth = 0; //(N^2*(N+1))/2 nth = (N * N * (N + 1)) / 2; return nth; } // Driver Method public static void main(Str...
(a) The nth term of a sequence is 3n + 4 What is the 8th term of this sequence? ___ (b) The nth term of a different sequence is Write the first three terms of this sequence. 答案 (a) 28 (b) Gives all three correct terms in any order eg 1,0,5 Gives any two correct ...
Find the nth term ofthe sequence 8, 11, 14, 17. 答案 1114-11=317-14The dfference betwand the next is +3, so compare thewequence with 3a36912↓↓↓.5Term:81111417You need to add 5. so the ath temis 3e+5. 结果二 题目 【题目】Find the nth term of the sequence 8, 11, 14,...
【题目】Explain why the nth term of the sequenceis given by S- S, and hence find aformula for the nth term in terms of p andq 相关知识点: 试题来源: 解析 【解析】Subtracting the sum ofthe first (n - 1) termsfrom the sum of thefirst n terms will leaveonly the nth term.nth ...
通规此识今切队收建拉心通发通规此识今切队收建拉心通发The nth term of the sequence {an} is given by an = 2n + 1.
a) Find the second term of the sequence.b) Find the fifth term of the sequence. 相关知识点: 试题来源: 解析 a) 12b) 75 结果一 题目 【题目】T he nth term of a sequence is 3n2-1a)Find the second term of the sequence.b) Find the fifth term of the sequence. 答案 【解析】a)112...
Which of the following is/are true?( )Ⅰ. 25 is a term of the sequence.Ⅱ.The sequence has 10 negative terms.Ⅲ.The sum of the first n terms of the sequence is n2−18n.某数列的第n项为2n−19,下列何者正确?( )Ⅰ.25为该数列的其中一项Ⅱ.该数列有10个负值项Ⅲ.该数列的首n项之...
Let an be the nth term of a sequence, If a3=21, a6=89 and an+2=an+an+1 for any positive integer n, then a1=( ). 设an为某数列的第n项.若a3=21、a6=89及对任意正整数n,an+2=an+an+1,则a1=( ). A.8 B.13 C.34 D.55 相关知识点: 试题来源: 解析 A 结果一 题目...
【题目】Let an be the nth term of a sequence.Ifa_2=7 , a_4=63 and a_(n+2)=a_(n+1)+a_n for any positive integer n, then as=().设an为某数列的第n项.若 a_2=7 、 a_4=63 及对任意正整数n, a_(n+2)=a_(n+1)+a_n ,则a5=().A.56B.70C.91D.119 ...
【题目】Let an be the nth term of a sequence, If as =21,a6=89 and a_(n+2)=a_n+a_(n+1) for any positive integern, then a1=().设 a_n 为某数列的第n项.若 a_3=21 、a6=89及对任意正整数n, a_(n+2)=a_n+a_(n+1) ,则a1=().A.8B.13C.34D.55 ...