Share: Title:If `S_n,` denotes the sum of `n` terms of an `A.P.`, then `S_(n+3)-3S_(n+2)+3S_(n+1)-S_n=` Duration: 4:45 Views: 753 Uploaded: 4 years ago Similar Songs ▶️ 4:35 Let S_n Denotes The Sum Of The First Of N Termsof A.p. And S_(2n)=3s_n . Then The Ratio S_(3n):s... 4K views • 2 years ago ▶️ 3:44 Let Sn Denotes The Sum Of N Terms Of An A.p. if s2n=3sn, Then Ratio s3nsn=.... 236 views • 2 months ago ▶️ 7:59 "if `s_n` Denotes The Sum Of First `n` Terms Of An A.p. And `(s_(3n)-s_(n-1))/(s_(2n)-s_(2n-1))=31` 791 views • 4 years ago ▶️ 2:11 If Sn=np+n/2(n-1)q, Where Sn Denotes The Sum Of The First N Terms Of An Arithmetic Progression (ap) 819 views • 1 year ago ▶️ 2:59 If Sn Denotes The Sum Of First N Terms Of An A.p., Prove That S12 = 3(s8 - S4) 11K views • 3 years ago ▶️ 7:29 The Digits Of A Positive Number Of Three Digits Are In Ap And Their Sum Is 15. The Number Obtained 4.6K views • 1 year ago ▶️ 9:26 Using The Sum Of The First N Terms Of A Sequence 4K views • 1 year ago ▶️ 3:59 If The Sum Of First N Terms Of An Ap Is 1/2(3n2+7n), Find Its Nth Term And 20th Term 9.5K views • 2 years ago ▶️ 2:53 If Sn Denotes The Sum Of First N Terms Of An Ap, Prove That S12=3(s8-s4 ) 5.7K views • 4 years ago ▶️ 3:02 The Sum Of First N Terms Of An Ap Is Given By Sn=3(n^2)+n , Then Its 5th Term Is|ktet 2021|mckmaths 27 views • 1 year ago ▶️ 3:45 If Sn Denotes The Sum Of First N Terms Of An Ap, Prove That S30=3[s20-s10] (cbse 2015) 30/1/3 7.4K views • 2 years ago ▶️ 5:21 "if `s_n` Denotes The Sum Of The First `n` Terms Of An A.p., Prove That `s_(30)=3 1.2K views • 4 years ago ▶️ 10:09 If Sn Denotes The Sum Of N Terms Of An A.p. Whose Common Difference Is D And First Term Is A. Find 4.3K views • 1 year ago ▶️ 2:37 26. If Sn denotes the Sum Of First N Terms Of An A.p, prove That S12 = 3(s8 – S4). 2.2K views • 4 years ago ▶️ 7:56 If Sn Denotes The Sum Of N Terms Of An Ap Whose Common Difference Is D And First Term Is A 3.7K views • 1 year ago ▶️ 3:30 If Sn The Sum Of First N Terms Of An Ap Is Given By Sn = 3n2-4n. Find The Nth Term? 46K views • 4 years ago ▶️ 14:29 Sum Of N Terms 2.7K views • 8 years ago ▶️ 4:52 If S1,s2,s3 Are The Sum Of N Term Of 3 A.p,the First Term Is Unity And C.d1,2,3.prove That S1+s3=2s2 2.6K views • 3 years ago ▶️ 5:07 Find The Nth Term From Given Sum Of N Term In A Series Is S_n=n(2n+3) 11K views • 4 years ago ▶️ 5:13 Let Sn Denotes The Sum Of N Terms Of An Ap. Common Difference D=sn-k.s(n-1)+s(n-2). Find K. 6.7K views • 4 years ago ▶️ 5:38 If The Sum Of First N, 2n And 3n Terms Of An Ap Be S1, S2 And S3 Respectively Prove That S3=3(s2-s1) 28K views • 4 years ago ▶️ 9:14 If Sn Denotes The Sum Of The First N Terms Of An A.p., Prove That S30 = 3(s20-s10). 1.4K views • 1 year ago
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