In an ap if sn n 4n+1 find ap
WebThe sum of the first n terms of an A.P. is 3n2−4n. Find the nth term of this A.P. Solution Let the sum of first n terms of the A.P.=Sn Given: Sn =3n2 –4n ... (i) Now, Replacing n by (n –1) in (i), we get, Sn–1 =3(n–1)2 –4(n–1) nth term of the A.P. an= Sn–(Sn–1) ∴ an= (3n2 –4n)–[3(n–1)2 –4(n–1)] ⇒ an= 3[n2 –(n–1)2]–4[n–(n–1)] WebQuestion In an A.P, if S n=n(4n+1), find the general form of an A.P. Medium Solution Verified by Toppr S 1=a=5 {a= first term, d= common difference } S 2=a+(a+d)=2a+d=2(9) …
In an ap if sn n 4n+1 find ap
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WebConsider 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 is NOT known is S n = (n/2) [2a + (n - 1) d]; The sum of first n terms of an arithmetic progression when the n th term(a n) is known is S n = n/2[a 1 + a n]; Example: Mr. Kevin … WebMar 31, 2024 · Best answer Sn=5n2+4n S1=5 (1)^2+4 (1) =5+4 =9 Therefore a1=s1=9 S2=5 (2)^2+4 (2) =5 (4)+8 =28 a2=S2-S1 a2=28-9=19 D=10 A8=a+7d =9+7 (10) =9+70 =79 0 votes answered Apr 1, 2024 by SuhaniKumari (30.9k points) Sum of n natural numbers Sn = 5n2 + 4n Sum of (n - 1) natural numbers 8th term = t8 = 10 x 8 - 1 = 80 - 1 = 79 ← Prev Question …
WebIf Sn, the sum of first n terms of an AP is given by Sn = 3n2-4n, Find the nth term? Nihar Hirani 20.9K subscribers Subscribe 29K views 2 years ago CBSE class X Arithmetic … Web›H±•ÊªÐj¬ ~Üé;†S^0^ò¸`· È £ ÓëÝÅâ¦Y¾9 7Å` E7Ä ÷Ð ¦òa 8Å϶2Éu óé*žÚá+~6BØß þ‰Ä! ¥;QÏ®a R"YÛîò; Ý› ¯£Ñ Éú(® *ÿÁN™Ô²¼óÃÐG~ Å¿ÇV; 2ui\ªð¦ `‹™î7äÛèox¦sÕªU ÈmÄÙ6:Œv`ºÑf u··±–ƒf ßL¸Åðnö¯¼e—ÎÃN'V»rìý\Ý• V‡òÜ KMz ”ÎjŠ d ...
WebDec 4, 2024 · Solution For In an AP if Sn =n(4n+1), then find the AP. Solution For In an AP if Sn =n(4n+1), then find the AP. The world’s only live instant tutoring platform. About Us … WebJan 28, 2024 · In an AP, if Sn = n (4n + 1), find the AP - YouTube #class10#arithmeticprogressionsIn an AP, if Sn = n (4n + 1), find the AP …
WebIdentify the pair of physical quantities which have different dimensions:Option: 1 Wave number and Rydberg's constantOption: 2 Stress and Coefficient of elasticityOption: 3 …
WebAug 26, 2024 · Best answer. Sn = n (4n + 1) Sn - 1 = (n - 1) [ 4 (n - 1) - 1] = (n - 1) [ 4n - 5] Sn - Sn - 1 = n (4n + 1) - (n - 1) (4n - 5) (a1 + a2 + a3 + - - - + an - 1 + an) - (a1 + a2 + a3 + - - - + … phil green classicsWebIn an AP, if Sₙ = n(4n + 1), find the AP. Solution: Given, the expression for the sum of the terms is Sₙ = n(4n + 1) We have to find the AP. Put n = 1, S₁ = 1(4(1) + 1) = 4 + 1 = 5. Put n … philgreen constructionWebIn an AP, if s n =n (4n + 1), then find the AP. Solution: We know that, the n th term of an AP is Hence, the required AP is 5,13, 21,… Question 25: In an AP, if s n = 3n 2 + 5n and a k = 164, then find the value of k. Solution: Question 26: If s n denotes the sum of first n terms of an AP, then prove that s 12 =3(s 8-s 4) Solution: Question 27: phil green comedianWeb0001493152-23-011890.txt : 20240412 0001493152-23-011890.hdr.sgml : 20240412 20240411201147 accession number: 0001493152-23-011890 conformed submission … phil greene ivWebMay 7, 2024 · (b) In an AP if Sn = n (4n + 1), then find the AP. cbse class-10 1 Answer +1 vote answered May 7, 2024 by AnantShaw (45.9k points) selected May 8, 2024 by … phil greene admiralWebHow Do You Find the nth Term of AP? To find the n th Term of AP, Find the first term of the AP and label it as "a". Find the common difference of the AP and label it as "d". Find "n" … phil green frostWebFeb 5, 2024 · if the sum of n terms of an AP is given by Sn=n (4n+1),then find the nth term of the AP - Brainly.in 05.02.2024 Math Secondary School answered If the sum of n terms of an AP is given by Sn=n (4n+1),then find the nth term of the AP See answers Advertisement ideba2011 Answer:given below Step-by-step explanation: follow the steps..... Advertisement phil green coventry university