How many terms of ap 45 39
WebMost Upvoted Answer How many terms of an ap 45,39,33,.must be taken so thier sum is 180? Okk a = 45 D = -6 Sn = n / 2 ( 2a + (n-1) d) 180 = n/2 ( 2*45 + (-6n +6) 360 = n ( 90 - 6n + 6) 360 = n ( 96 - 6n) 360 = 96 n - 6n^2 6n^2 - 96n + 360 = 0............1 Solve This equation U will Get Ur Answer View all answers Web10 okt. 2024 · How many terms of the A P 45 39 33 must be taken so that their sum is 180Explain the double answer - Given:Given A.P. is $45, 39, 33, …,$To do:We have to …
How many terms of ap 45 39
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Web7 mrt. 2024 · Step-by-step explanation: How many terms of the A.P 45,39,33,... must be taken so that their sum is 180? Explain the double answer. First Term = a = 45. common … WebHow many terms of the A.P. 45, 39, 33… must be taken so that their sum is 180?CBSE 2024
Web21 okt. 2024 · Best answer AP = 3, 5, 7, 9, … Here, a = 3, d = 5 – 3 = 2 and Sn = 120 We know that, ⇒ 120 = n [2+n] ⇒ n2 + 2n – 120 = 0 ⇒ n2 + 12n – 10n – 120 = 0 ⇒ n (n + 12) - 10 (n + 12) = 0 ⇒ (n – 10) (n + 12) = 0 ⇒ n – 10 = 0 or n + 12 = 0 ⇒ n = 10 or n = -12 But number of terms can’t be negative. So, n = 10 Hence, for n = 10 the sum is 120 for the … Web45 = n 2×[2×18+(n−1)(−3)] 45 = n 2×[39−3n] 90 = 39n - 3 n2 3n2−39n+90 =0 after solving... n = 10 & 3 Suggest Corrections 0 Similar questions Q. How many terms of the series 18+15+12+....... when added together will give 45? Q. How many terms are needed in the series −15, −12, −9, …… so that their sum is 18? Q.
Web25 jul. 2024 · How many terms of an ap -10, -7, -4, -1 ..... must be added to get the sum 104 Get the answers you need, now! Web29 mrt. 2024 · Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.
Web9 mrt. 2024 · Step-by-step explanation: How many terms of the A.P 45,39,33,... must be taken so that their sum is 180? Explain the double answer. First Term = a = 45. common …
WebHow many terms of the AP 63, 60, 57, 54, ... must be taken so that their sum is 693. Explain the double answer. ... How many terms are there in the A.P. whose first and fifth terms are ... How many terms of the A.P., 45, 39, … ima south floridaWeb9 feb. 2024 · Best answer. The given sequence of AP is 45, 39, 33, ………….. Let AP has n terms. Here, a – 45, d = 39 – 45 = – 6 and Sn = 180 (given) Sn = 180. ⇒ n 2 n 2 [2a + (n … ima spend this holiday locked inWebIn a potato race, a bucket is placed at the starting point, which is 5 m from the first potato, and the other potatoes are placed 3 m apart in a straight line. There are ten potatoes in … im aspersion\\u0027sWebTherefore, the number of terms (n) is (iii) A.P. is So here, let us find the number of terms whose sum is 636. For that, we will use the formula, Where; a = first term for the given A.P. d = common difference of the given A.P. n = number of terms The first term (a) = 9 The sum of n terms (S n) = 636 Common difference of the A.P. (d) = imas online murciaWeb28 mrt. 2024 · Ex 5.3, 4 - Chapter 5 Class 10 Arithmetic Progressions (Term 2) Last updated at March 28, 2024 by Teachoo. This video is only available for Teachoo black users Subscribe Now Get live Maths 1-on-1 Classs - Class 6 … list of horcruxWebAn AP consists of 50 terms of which 3 rd term is 12 and the last term is 106. Find the 29 th term. The digits of a positive integer, having three digits are in A.P. and their sum is … ima southfieldWeb6 mrt. 2024 · Q. How many terms of the Arithmetic Progression 45, 39, 33, … must be taken so that their sum is 180 ? Explain the double answer. ima-solutions new york