Question

For the A.P given by a1,a2,....,an,....,with non zero common difference, the equation satisfied are
A)a1+2a2+a3=0 D) a1-4a2+6a3-4a4+a5
B)a1-a2+a3=0 (one than more correct options)
C)a1+3a2- 3a3 -a4=0

Answer 1

@dan815 @goformit100 @ParthKohli pls help

Answer 2

@hartnn pls help

Answer 3

@goformit100

Answer 4

oh my nyan cat!!!!
Impossible!!! srry!

Answer 5

@goformit100 @dan815
pls help

Answer 6

@ganeshie8
pls help

Answer 7

pls help i have a exam of sequence and series on 6th

Answer 8

one way is to actually consider an AP.

Answer 9

yes

Answer 10

sir

Answer 11

i'm thinking of using arithmetic means... one sec.

Answer 12

(a1 here 1 is in subscript)

Answer 13

i think yes we will use AM here an as theam

Answer 14

you can also construct terms. for three terms, use \(a-d,a, a+d\) and so on.

if all the terms don't get cancelled, then it doesn't evaluate to zero.

Answer 15

i tried the same but couldn't get the answer

Answer 16

the only option being satisfied for the AP 1, 2, 3, 4, 5 is D.

Answer 17

pls tell

Answer 18

no one
@ganeshie8 pls help

Answer 19

@goformit100 pls help

Answer 20

consider a simple A.P like @ParthKohli suggested ?

Answer 21

ok

Answer 22

like below :
0, 1, 2, 3, 4, 5,...

Answer 23

\(a_1 = 0\)
\(a_2 = 1\)
\(a_3 = 2\)
\(a_4 = 3\)
\(a_5 = 4\)

Answer 24

simply plugin the values in each option and check which one satisfies

Answer 25

lets try first option :
`A)a1+2a2+a3=0`

Answer 26

plugin a1, a2, a3 values and see what you get

Answer 27

I shold take these problem like this u have suggested

Answer 28

thnx

Answer 29

np :)