Web17 nov. 2024 · sum of first (n) terms = SN = 2n^2+5n To find, The value of S20. Solution, We can simply solve this mathematical problem using the following process: According to the question; The value of S20 = the value of SN at N = 20 = 2 (20)^2+5 (20) = 2 × 400 + 5 × 20 = 800 + 100 = 900 Hence, the value of S20 is equal to 900. Advertisement Web8 apr. 2024 · Solution For 18 Find the nth term of the AP, whose sum of n term is n2+2n. (1) 2n+1 (2) 2n−1 (3) 2n
If the sum of n terms of an A.P. is 2n^2 + 5n, then find the 4th term …
Web7 apr. 2024 · Two APs have the same common difference. The difference between their 100th terg 9. If the 3rd and the 9th terms of an AP are 4 and - 8 respectively, which term of this AP is Chapter 1 the posit you be possible if we can contin. Ans. (4) 6 Find the nth term of the AP whose sum to n terms is n2+4. Web16 jul. 2024 · If the sum of n terms of an AP is 2n2 + 3n, then write its nth term. LIVE Course for free. Rated by 1 million+ students Get app now Login. Remember. Register; Test; JEE; NEET; ... The sum of the first n terms of an AP is (5n^2/2 + 3n/2). Find its nth term and the 20th term of this AP. asked Jul 9, 2024 in Arithmetic Progression by ... easter break nyc doe
If Sn = 2n^2 + 3n. Find 16th term of AP - teachoo
WebIf the sum of m terms of an AP is equal to sum of n terms of AP then sum of m+n terms js Solution According to question, m/2 * (2a + (m-1)d) = n/2 * (2a + (n-1)d) cutting 2 we get, m (2a + (m-1)d) - n (2a+ (n-1)d) = 0 2am + m^2d - md -2an -n^2d +nd =0 2a (m-n) + (m^2 - n^2)d - (m - n)d =0 2a (m-n) + ( (m + n) (m- n) ) d - (m - n )d = 0 WebQ10. The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28th term of this AP. Q11. Which term of the progression 19, 18⅕, 17⅖,….is … WebIt really speeds things up compared to the default method. Alice and Bob are using Elgamal to communicate with prime p = 48112959837082048697 and B = 30980566787060881636. Here’s a transcript of a recent communication. Bob: Alice, you know how much I care about you. You know I can be trusted. cubs live streaming