Method 1: $$ f ( n ) = 2 n + 1 $$ From (46.1.2),we have $$ a _ { n } = a _ { 1 } + \sum _ { k = 1 } ^ { n - 1 } ( 2 k + 1 \\ = 1 + \left[ 3 + 5 + \cdots + ( 2 n - 1 ) \right] \\ = 1 + \frac { ( 3 + 2 n - 1 ) ( n...
u_3=8 ∴ u_1+2d=8 (1) {using u_n=u_1+(n-1)d}u_8=-17 ∴ u_1+7d=-17 (2)We now solve (1) and (2) simultaneously:-u_1-2d=-8 {multiplying both sides of (1) by -1}u_1+7d=-17∴ 5d=-25 {adding the equations}∴ d=-5So, in (1): u_1+2(-5)=8∴ u_1...
| Answer Step by step video & image solution for Find the general term in the expansion of (x/2-2/x)^10 by Maths experts to help you in doubts & scoring excellent marks in Class 11 exams. Updated on:21/07/2023 Class 11MATHSBINOMIAL THEOREM ...
Find the general term in the expansion of(x2+1x)5. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board, Bihar Boa...
This is a full guide to finding the general term of sequences. There are examples provided to show you the step-by-step procedure for finding the general term of a sequence.
百度试题 结果1 题目Find the general term, u_n, of the geometric sequence that has:u_2=-12 and u_7=512 相关知识点: 试题来源: 解析 u_n=18(-4)^(n-1) 反馈 收藏
题目Find the general term for the sum of the first n terms of a geometric series a, ar, ar^2,…, ar^n. 相关知识点: 试题来源: 解析 $$ \frac { d - I } { ( u ^ { d } - I ) p } = ^ { u } S $$ 反馈 收藏
Find a formula for the general term, a_n. Assume that the first term in the sequence is a_1: \{\frac{3}{4}, \frac{4}{9}, \frac{5}{16}, \frac{6}{25},... \} Find a general term for the given sequence a1, a2, a3, a4,...13, 19, 25, ...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
Find the first five terms and the general term in the Taylor series about {eq}x = 0{/eq} for {eq}\displaystyle g(x) = \frac{1}{(1 - 2x)(1 - x)}{/eq} Taylor Series Theorem: The main purpose of series representation of a function is to writ...