WebBest answer Here, a = 3 and d = (7-3) = 4 Let the sum of n terms be 406. Then, we have: Hence, 14 terms will make the sum 406. ← Prev Question Next Question → Find MCQs & Mock Test JEE Main 2024 Test Series NEET Test Series Class 12 Chapterwise MCQ Test Class 11 Chapterwise Practice Test Class 10 Chapterwise MCQ Test Class 9 Chapterwise … WebThe first term (a) = 3. The sum of n terms (S n) = 406. Common difference of the A.P. (d) = `a_2 - a_1` = 7 - 3 = 4 . So, on substituting the values in the formula for the sum of n terms …
The number of terms common to the two A.P.
WebHow many terms of the AP 3,7,11,15,... willl make the sum 406 ? (a) 10 (b) 12 (c) 14 (d) 20 Solution AP: 3,7,11,15,.. a =3 d =7−3 =4 Sn = 406 W e know that, Sn = n 2[2a+(n−1)d] n 2[2(3)+(n−1)4] = 406 n 2[6+4n−4] =406 n 2[4n+2] =406 n[2n+1] =406 2n2+n−406 =0 2n2−28n+29n−406 =0 2n(n−14)+29(n−14) =0 (2n+29)(n−14)= 0 n = −29 2 or 14 WebMar 29, 2024 · Transcript. Ex 5.2, 11 Which term of the A.P. 3, 15, 27, 39, … will be 132 more than its 54th term? Given AP 3, 15, 27, 39,… First we need to calculate 54th term Here, a = 3 d = 15 – 3 = 12 n = 54 Putting values in formula a54 = a + (n – 1) d = 3 + (54 – 1) × 12 = 3 + 53 × 12 = 3 + 636 = 639 So, 54th term = a54 = 639 We need to calculate term which is 132 … taaza grandin
If the sum of terms of the AP 3,7,11,...... is 210, then the …
WebApr 12, 2024 · Newmont Corporation (NYSE: NEM, TSX: NGT) today announced that it will release its first quarter 2024 operations and financial results, on Thursday, April 27, 2024.Newmont will hold a conference call at 10 a.m. Eastern Standard Time (8:00 a.m. Mountain Standard Time) the same day, which will be available on the Company’s website. WebStep 1: Apply the formula of the sum of term The given AP (Arithmetic Progression) is 3, 7, 11, 15,.... Here, the first term a = 3 And, the common difference d = 7 - 3 = 4 Let, the required number of terms be n. Also, it is given that the sum of n terms S n = 406 We know that the … The first term (a) = 3. The sum of n terms (S n) = 406. Common difference of the … NCERT Solutions For Class 11. NCERT Solutions For Class 11 Physics; NCERT Sol… The sum of n terms of an arithmetic progression AP is 3n2 n.iii The sum of first th… WebApr 11, 2024 · Sheriff Mark Lamb files papers to run for Senate in Arizona. By: Jonathan J. Cooper, The Associated Press Posted: 7:57 AM CDT Tuesday, Apr. 11, 2024 Last Modified: 8:00 AM CDT Tuesday, Apr. 11, 2024. basic romanian language