Web14 mrt. 2024 · Step-by-step explanation: Given that the sum of first n terms of an A.P. is n². We are to find the 10th term of the A.P. Let a be the first term and d be the common difference of the given A.P. Then, he n-th term of the A.P. is given by and the sum of first n term of the A.P. is given by According to the given information, we have and
Arithmetic Series Worksheet / Quiz & Worksheet - Sum of the First n …
WebIf the sum of first n term of A.P is 21(3n 2+7n) then its n th term. hence 20 th term Medium Solution Verified by Toppr First term, a=S 1= 21(3+7)=5 Second term, a+d=S 2−S 1= … WebIf Sn, the sum of first n terms of an A .P. is given by Sn = 5n2 + 3n, then find its nthterm.Sn = 5n2 + 3n from Mathematics Arithmetic Progressions Class 10 Uttarakhand Board Arithmetic Progressions Advertisement Zigya App If S n, the sum of first n terms of an A .P. is given by S n = 5n 2 + 3n, then find its n th term. Sn = 5n2 + 3n 231 Views meal plan template for word
If the sum of n terms of an A.P is2n2 + 5n, then the nth term will …
WebIf the sum of first n terms of an AP is cn 2, then the sum of squares of these n terms is A 6n (4n 2−1)c 2 B 3n (4n 2+1)c 2 C 3n (4n 2−1)c 2 D 6n (4n 2+1)c 2 Easy Solution … Web30 mrt. 2024 · There are two AP with different first term and common difference For the first AP Let first term be = a Common difference = d Sum of n terms = Sn = /2 [2a + (n … WebHistory. According to an anecdote of uncertain reliability, young Carl Friedrich Gauss, who was in primary school, reinvented this method to compute the sum of the integers from 1 through 100, by multiplying n / 2 pairs of numbers in the sum by the values of each pair n + 1. [clarification needed] However, regardless of the truth of this story, Gauss was not the … pearler smsf