WebQ9. If m times mth term of an AP is equal to n times nth term, find the (m + n)th term of the AP. Q10. 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 the first negative term. Q12. WebDec 28, 2024 · To obtain an n-th term of the arithmetico-geometric series, you need to multiply the n-th term of the arithmetic progression by the n-th term of the geometric …
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WebFind whether 55 is a term of the AP 7, 10, 13, … or not. If yes, find which term it is. Solution: Yes, let the first term, common difference and the number of terms of an AP are a, d and n respectively. Let the nth term of an AP be 55. i.e., T n = … WebAn arithmetic progression or arithmetic sequence (AP) is a sequence of numbers such that the difference from any succeeding term to its preceding term remains constant throughout the sequence. The constant difference is called common difference of that arithmetic progression. For instance, the sequence 5, 7, 9, 11, 13, 15, . . . is an arithmetic progression …
WebNov 25, 2024 · Detailed Answer : Given d = – 4 and a7 = 4. We know that nth term of A.P. is. an = a + (n – 1)d. a7 = a + (7 – 1)d [n = 7] 4 = a + 6 (– 4) ∴ a = 4 + 24 = 28. ∴ First term of … WebJul 25, 2024 · Mohammed Owais. 2 years ago. Its bcoz, (Ref=n/2) the sum of any 2 terms of an AP is divided by 2 gets it middle number. example, 3+6/2 is 4.5 which is the middle of these terms and if you …
WebIn an AP, if d = -4, n = 7, an = 4, then a is a. 6 b. 7 c. 20 d. 28. Solution: An arithmetic progression (AP) is a sequence where the two consecutive terms have the same common … WebIn an AP, if the common difference (d) = -4 and the seventh term (a 7) is 4, then find the the first term. Hard Solution Verified by Toppr we know, a n=a+(n−1)d so, a 7=a+(7−1)d or, …
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WebIn an AP, if d = –4, n = 7, an = 4, then a is (A) 6 (B) 7 (C) 20 (D) 28 Solution: (D) 28 Explanation: We know that nth term of an AP is a n = a + (n – 1)d where, a = first term a n is nth term d is the common difference According to the question, 4 = a + (7 – 1) (- 4) 4 = a – 24 a = 24 + 4 = 28 2. high house farm litchamWebIn an AP, if d = - 4 , n = 7 and an = 4, then a is equal to A) 6 B) 7 C) 20 D) 28 Solution I n an AP, an =a+(n−1)d ⇒ 4= a+(7−1)(−4) [by given conditions] ⇒ 4= a+6(−4) ⇒ 4+24= a ∴ a= 28 … how is ac power madeWebAn arithmetic progression (AP) is a sequence where the two consecutive terms have the same common difference. In an AP if a = -7.2, d = 3.6, an = 7.2, then n is 5 ☛ Related Questions: In an AP, if d = -4, n = 7, an = 4, then a is, a. 6, b. 7, c. 20, d. 28 In an AP, if a = 3.5, d = 0, n = 101, then aₙ will be, a. 0, b. 3.5, c. 103.5, d. 104.5 how is a credit balance shownWebSolution In an AP, if d = -4, n = 7, a n = 4, then a is 28. Explanation:- For an A.P a n = a + (n - 1)d 4 = a + (7 - 1) (-4) 4 = a + 6 (-4) 4 + 24 = a a = 28 Concept: nth Term of an AP Report Error Is there an error in this question or solution? My Profile [view full profile] why create a profile on Shaalaa.com? 1. high house farm cranworthWebAug 4, 2024 · Find an answer to your question In an AP, if d = -4 , n = 7 , nth term is 4, then a is : * 2 months which have 31 days one after the other are dash and dash high house farm facebookWebn=7 i.e there are 7 terms in the AP. an=4 i.e nth term of the A.P is 4 We know that an=a+ (n-1)d So 4=4+ (7–1)d =>4–4=6d =>0=6d =>d=0 4 Yashoda Nagar B.tech in Bachelor of … high house farm brewery matfenWebAug 3, 2024 · Find an answer to your question In an AP, if d = -4 , n = 7 , nth term is 4, then a is : * 2 months which have 31 days one after the other are dash and dash how is a crankshaft made