WebIn an A.P if sum of its first n terms is 3n 2+5n and its k th term is 164, find the value of k. Medium Solution Verified by Toppr Correct option is A) Given, S n=3n 2+5n So, S 1=3(1) … Web79.the sum of n terms of an ap is[ 5n 2 2 + 3n 2 ]. find the 20th term. can help students to understand the material and improve their grades. Download full answer; Expert tutors will …

Partial sums: formula for nth term from partial sum

WebTo find the sum of the first n terms of a geometric sequence use the formula, S n = a 1 ( 1 − r n) 1 − r, r ≠ 1 , where n is the number of terms, a 1 is the first term and r is the common … WebAnswer (1 of 3): The sum of the first n terms of an AP : Sn = (n/2)[2a+(n-1)d], or 2n =(n/2)[2a+(n-1)d], or 4n/n = 2a+(n-1)d, or 4 = 2a+(n-1)d, or 2a = 4 - (n-1)d, or ... minecraft origins slime origin

Worldénôorment-StaffordÂeer…¨2 @ol hliöalu‚h1 …

Web25 Oct 2010 · if Sn the sum of first n terms of an a.p is given by Sn=5n^2+3n then find its nth term ?? (please explain you procedure) Asked by ANVESH agarwal 25 Oct, 2010, 07:46: … Web(i) The sum of the first n terms of an AP is `((5n^(2))/(2) + (3n)/(2))`. Find the nth term and the 20th term of this AP. (ii) The sum of the first n ter... Web16 Oct 2024 · If the sum of n terms of an A.P. is 2n^2 + 5n , then its nth term is A. 4n − 3 B. 3n − 4 C. 4n + 3 D. 3n + 4 asked Jul 16, 2024 in Arithmetic Progression by Maanas ( 26.0k … minecraft origins smp: custom origin