WebMar 29, 2024 Β· Transcript. Ex 5.3, 3 In an AP (vi) Given a = 2, d = 8, Sn = 90, find n and an. Given a = 2, d = 8, Sn = 90 We can use formula Sn = π/2 (2π+ (πβ1)π) Putting a = 2, d = 8, Sn = 90 90 = π/2 (2 Γ 2+ (πβ1) Γ 8) 90 = π/2 (4+8πβ8) 90 Γ 2 =π (4+8πβ8) 180 = n (8n β 4) 180 = 8n2 β 4n β180 + 8n2 β 4n = 0 ... WebMar 28, 2024 Β· Given a12 = 37, d = 3 Finding a We know that an = a + (n β 1) d Putting d = 3, n = 12 and a12 = 37 37 = a + (12 β 1) Γ 3 37 = a + 11 Γ 3 37 = a + 33 37 β 33 = a 4 = a a = 4 Now, we can find (S12) by using formula Sn = π/π (π+π) Putting n = 12 , a = 4, π = a12 = 37 S12 = 12/2 (4+37) = 12/2Γ41 = 6 Γ41 = 246
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WebIf a 1, a 2, a 3, a 4, β¦ are in A.P. and a 1 + a 5 + a 9 +... + a 29 = 64, then the value of a 3 + a 8 + a 22 + a 27 is Q. Find the first term a and the common difference d of the arithmetic β¦ chill chair ι«εε―ΊεΊ
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WebFind the first four terms of an A.P. , If a = 10 and d = -3. OMTEX CLASSES An Educational Website. Advertisement. PRINTABLE FOR KIDS. XII (12) HSC. XI (11) FYJC. X (10) SSC. β¦ WebJun 20, 2024 Β· If aβ = 4 and sββ = 355 so aββ = 67. An arithmetic sequence is a sequence in which the difference between two successive terms is always constant. Formula : aβ = a + (n - 1)b. An Arithmetic Series is the sum of the terms of an arithmetic sequence. Formula : β¦ WebJul 28, 2024 Β· Step 2: Choose a New LTE Band. Once installed, open the app and under the Activities tab, select the drop arrow next to "Call Settings." Under this list, select the last option right above "Camera" (as listed in the code box below), then choose "Try." com.samsung android.app.telephonyui.hiddennetworksetting.MainActivity. chill chair ι«εε―ΊεΊ north area