How many terms of ap 24 21 18 must be taken
Web14 aug. 2024 · Which term of AP 13 21 29 will be 48 less than its 19th term? Hence , its 13th term will be 48 less than its 19th term. ... How many terms of the arithmetic progression 24 21 18 must be taken so that their sum is 78? So the number of terms of the A.P so that their sum is 78 are 4 and 13. So this is the required answer. WebSo, the sum of the first 20 terms of the AP is 250. Example: How many terms of the AP: 24, 21, 18 ... must be taken so that their sum is 78? Solution: Here, a = 24, d = 21 24 = 3, S n = 78. We need to find n. We know that S n = n/2 [2a + (n 1) d] Therefore, 78 = n/2 [2 24 + (n 1) (-3)] 78 2 = n [48 3n + 3] 156 = 51n 3n 2
How many terms of ap 24 21 18 must be taken
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WebHow many terms of the A.P: 24,21,18,.... must be taken so that their sum is 78? Medium Solution Verified by Toppr ⇒S n= 2n[2a+(n−1)d] ⇒78= 2n(2a+(n−1)d) ⇒78= … Web29 jun. 2024 · Expert Answer In this AP, we are given a = 17, d = -2, Sn = 72 and we have to find n Sum of first n terms = n/2 [2a+ (n-1)d] Sum is given as 72 72 = n/2 [2 x 17 + (n - 1) (-2)] 144 = n [34-2n+2] 144 = n [36-2n] 72 = n (18 - n) n2 - 18n + 72 = 0 n2 - 12n - 6n + 72 = 0 n (n - 12) - 6 (n - 12) = 0 (n - 12) (n - 6) = 0 => n = 6, 12
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Web11 apr. 2024 · The given A.P is 24, 21, 18,................... So the first term (a) of the A.P is = 24. And the common difference (d) of the A.P is ⇒ d = ( 21 − 24) = ( 18 − 21) = − 3 Now … ieee awaiting ae recommendationWeb10 apr. 2024 · On Monday, the Committee on the Weaponization of the Federal Government released a new subpoena to FBI Director Shady Christopher Wray that uncovered that the Federal Bureau of Investigations (FBI) has sent at least one undercover agent into Catholic churches in order to spy on Americans. The committee has routinely requested … is shea butter a good sunscreenWebHow many terms of the A.P: 24, 21, 18, ……… must be taken so that their sum is 78? Advertisement Remove all ads Solution Let the number of terms taken be n. THe given A.P is 24, 21, 18, ..... Here a = 24 and d = 21 - 24= -3 S = n 2 [ 2 a + ( n - 1) d] ⇒ 78 = n 2 [ 2 × 24 + ( n - 1) × ( - 3)] ⇒ 78 = n 2 [ 48 - 3 n + 3] => 156 = n [51 - 3n] ieee awaiting decision approvalWebExtensible Authentication Protocol ( EAP) is an authentication framework frequently used in network and internet connections. It is defined in RFC 3748, which made RFC 2284 obsolete, and is updated by RFC 5247 . EAP is an authentication framework for providing the transport and usage of material and parameters generated by EAP methods. ieee awaiting decisionWebMathematics How many terms of the A.P. 24, 21, 18, … must be taken so that the sum is 78 ? Explain the double answer. AP GP ICSE 3 Likes Answer Let numbers of terms be n. Given, a = 24, d = 21 - 24 = -3 and S n = 78. By formula S n = \dfrac {n} {2} [2a + (n - … is shea butter a humectantWebHow many terms of the AP: 9,17,25,.....must be taken to give a sum of 636?. Ask questions, doubts, problems and we will help you. ieee awaiting eic decisionWeb21 okt. 2024 · The first term of an AP is – 5 and the last term is 45. If the sum of the terms of the AP is 120, asked Aug 26, 2024 in Arithmetic Progression by Shyam01 ( 50.9k points) ieee awaiting recommendation什么意思