In an ap the sum of first 10 terms is -80
WebOct 27, 2024 · Answer: The explicit formula for the AP is -2n + 3. 1, -1 , -3, -5, -7, -9......... Step-by-step explanation: The sum of the first n terms = n/2 [2a1 + (n - 1)d] where a1=first term …
In an ap the sum of first 10 terms is -80
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WebNigeria 122 views, 10 likes, 0 loves, 1 comments, 0 shares, Facebook Watch Videos from BCOS TV - Broadcasting Corporation of Oyo State: NEWS AROUND THE... WebOct 20, 2024 · In an AP the sum of first ten terms is -150 and the sum of its next 10 terms is -550. Find the AP. Is this the question you’re looking for? Advertisement Expert-Verified Answer 49 people found it helpful Hey there !! Let a be the first term and d be the common difference of the given AP . S₁₀ = -150. ⇒ Sn = n/2 [ 2a + (n-1)d]
WebAug 8, 2016 · Explanation: There are two formulae to find the sum of the terms of an AP. In this case we know the following: a = 2 d = 4 n = 10 Sn = n 2 [2a + (n − 1)d] S10 = 10 2 [2(2) … WebIf in an AP, the sum of first 10 terms is -150 and the sum of its next 10 terms is -550. Find the AP. Easy Solution Verified by Toppr Given, S 10=−150 S 20−S 10= Next 10 term S …
WebQ8. In an AP, the sum of the first 3 terms is – 60 and that of the last 3 are 84. If there are 15 terms, what is the sum of the middle 3 terms? Kick start Your Preparations with FREE access to 25+ Mocks, 75+ Videos & 100+ Chapterwise Tests. Q9. In an AP, the ratio of the 2nd term to the 6th term is 2/5. WebThe sum formula for the first n terms of an AP is: S n = [2a 1 + (n-1)穌] n = 10, S n = -80 -80 = [2a 1 + (10-1)穌] -80 = 5穂2a 1 + 9d] Dividing through by 5, -16 = 2a 1 + 9d and sum of next …
WebApr 9, 2024 · If the first term is 10 and the sum of the first 14 terms of an AP is 1050, find the 20 th term. 200. 215. 195. 210. Answers: 1. Option (c) 2. Option (a) Conclusion. As discussed above, an arithmetic progression is a sequence of numbers in order, in which the difference between any two consecutive numbers is a constant value.
WebJan 7, 2024 · If the sum of the first m terms of an AP is n and the sum of the first n terms is m,then show that the sum of its first (m+n) terms is-(m+n) Asked by Samuel Roy 17th February 2012 3:57 PM . ... Find three consecutive terms in the AP whose sum is 15 and their product is 80( the terms are in ascending order) how to switch teams in pfWebIn an AP of 50 terms the sum of first 10 terms is 210 and the sum of the last 15 terms is 2565. Find the AP.#rdsharma #cbsemaths #gradeboostermathsclasses #n... readings catholic dailyWebConsider an arithmetic progression (AP) whose first term is a 1 (or) a and the common difference is d. The sum of first n terms of an arithmetic progression when the n th term … readings catholic massWebThis is the formula to find the sum of the first n n terms of the geometric sequence. To evaluate it, find the values of r r and a1 a 1. Sn = a1(rn − 1) r−1 S n = a 1 ( r n - 1) r - 1 Replace the variables with the known values to find S10 S 10. S10 = 1⋅ (−2)10 −1 −2−1 S 10 = 1 ⋅ ( - … readings charlestownWebIn an arithmetic progression the sum of first 10 terms is 175 and the sum of the next 10 terms is 475 find the arithmetic progression. Medium Solution Verified by Toppr S … readings catholic weddingWebIn an A.P. the sum of first ten terms is 80 and the sum of next ten terms is 280. Find the A.P. Let the first term of AP be ‘a’ and common difference be ‘d’. We know, sum of ‘n’ terms of … readings catholic mass todayWebIn the given AP, the first term is a = 7 and the common difference is d = 4. Let us assume that 301 is the n th term of AP. Then: T n = a + (n - 1)d 301 = 7 + (n - 1) 4 301 = 7 + 4n - 4 301 = 4n + 3 298 = 4n n = 74.5 But 'n' must be an integer. Hence 301 cannot be a term of the given AP. Answer: 301 cannot be a term of the given AP. readings catholic funeral