WebDetermine the AP whose 3rd term is 5 and the 7th term is 9; The sum of first n terms of an AP is given by Sn = 2n^2 + 3n; Find the 10th term of the AP: 2, 7, 12; An AP consists of … 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 …
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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! WebThe 5.45×39mm cartridge is a rimless bottlenecked rifle cartridge. It was introduced into service in 1974 by the Soviet Union for use with the new AK-74 assault rifle. It gradually supplemented then largely replaced the 7.62×39mm round in service. The 5.45×39mm cartridge was developed in the early 1970s by a group of Soviet designers and engineers …
WebHow many terms of the Arithmetic Progression \ ( 45,39,33 \) takon so that their sum is 180 ? Explain the double answer must be Solution Verified by Toppr Was this answer helpful? 0 0 Similar questions If x, y, z are in AP, a is AM between x and y and b is AM between y and z; then AM between a and b will be- Hard View solution > 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 …
WebQ.1: Write first four terms of the AP when the first term a and the common difference d are given as follows: (i) a = 10, d = 10 (ii) a = -2, d = 0 (iii) a = 4, d = – 3 Solution: (i) a = 10, d = 10 Let an AP be a 1, a 2, a 3, a 4, a 5 … a 1 = a = 10 a 2 = a 1 + d = 10 + 10 = 20 a 3 = a 2 + d = 20 + 10 = 30 a 4 = a 3 + d = 30 + 10 = 40 WebExpress the following in terms of trigonometric ratios of angles lying between 0° and 45 ... Note; Bookmark; Advertisement . Introduction to Trigonometry. Hope you found this question and answer to be good. Find many more questions on Introduction to Trigonometry with answers for your assignments and practice. Explore. Zig In.
Web6 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.
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 … cwk primary schoolWebTherefore, 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) = cheap girls ice skatesWebIf you have to assume 3 terms in AP, assume them as a – d, a, a + d or as a, a + d and a + 2d For assuming 4 terms of an AP we use: a – 3d, a – d, a + d and a + 3d For assuming 5 terms of an AP, take them as: a – 2d, a – d, a, a + d, a + 2d To find the sum of the first n odd natural numbers = n 2 cheap girls halloween costumesWeb9 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 … cwk primaryWeb9 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 … cwk secusoftWebHow many terms of the A.P. 27, 24, 21, …, should be taken so that their sum is zero? CISCE ICSE Class 10. Question Papers 359. Textbook Solutions 25655. MCQ Online Mock Tests 6. Important Solutions 3382. Question Bank Solutions 25000. Concept Notes & Videos 189. Time Tables 16. cheap girl slipper bootsWebMost 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 cwk recycling