結果 : the sum of the first n terms of an ap is 1 2 3n 2 7n
2:28

If the sum of the first n terms of an A.P. is `1/2(3n^2+7n)`, then find its nth term. Hence wr...

Doubtnut
894 回視聴 - 5 年前
3:59

If the sum of first n terms of an AP is 1/2(3n2+7n), find its nth term and 20th term

KHAJA ACADEMY MATHEMATICA
13,227 回視聴 - 3 年前
3:39

If the sum of the first n-terms of an AP is 1/2(3n2 + 7n), then find its nth term. Hence write its

A4S Doubts Engine
2,759 回視聴 - 2 年前
7:50

If the sum of the first n terms of an A.P. is 1/2 (3n^2 + 7n), then find its n^th term. Hence write

2Pi classes
5,000 回視聴 - 2 年前

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5:30

Q70 | If the sum of nth term of an AP is 1/2(3n^2+7n) then find its nth term and hence write its 20

GRAVITY COACHING INSTITUTE
1,094 回視聴 - 5 年前
4:10

The sum of first n terms of an AP is given by Sn= 2n^2+n Then find its nth term

Global Coaching Classes
7,204 回視聴 - 2 年前
2:30

If the sum of first n terms of an A.P. is 1/2(3n^2+7n), then find its nth term. Hence write its 20th

padhai.Online
109 回視聴 - 2 年前

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4:42

If the sum of first n terms of an A.P. is 1/2(3 n^2+7 n), then find its n^th term. Hence writeits...

PW Solutions
324 回視聴 - 3 年前
4:33

If the sum of first n terms of an AP is ½(3n²+7n) then find its nth term and hence, write its 20th

RK Edugalaxy
192 回視聴 - 1 年前
5:38

If the sum of first n terms of an AP is 3n2 + 7n find its nth term. Class 10 Arithmetic Progression

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1,654 回視聴 - 3 年前
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TheM4thCorner
180,327 回視聴 - 3 年前
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If the sum of the first n terms of an A.P. is 1/2 (3n2 +7n), then 20th term ?

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783 回視聴 - 6 年前
3:05

If Sn the sum of first n terms of an AP is given by Sn = 3n2 – 4n, find the nth term. [CBSE 2019]

A4S Doubts Engine
13,877 回視聴 - 2 年前
8:32

If the ratio of the sum of the first n terms of two APs is (7n + 1) : (4n + 27), then find the rat

A4S Doubts Engine
8,476 回視聴 - 2 年前
0:20

番号順

Guinness And Math Guy
264,233 回視聴 - 2 年前
3:05

The sum of the first n terms of an AP is (3n^2+6n). Find the nth term and the 15th term of this AP.

KHAJA ACADEMY MATHEMATICA
27,049 回視聴 - 5 年前
5:00

The ratio of the sum of n terms of two A.P's is (7n+1) : (4n+27). Find the ratio of their mth terms.

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110,397 回視聴 - 3 年前
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Find The Next Number In The Sequence | Math Problem

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780,723 回視聴 - 2 年前
4:47

If Sn, the sum of first n terms of an AP is given by Sn = 3n2-4n, Find the nth term?

Nihar Hirani
54,917 回視聴 - 4 年前