Question

1 + 2x + 4x^2 + . . . = 3/4. What is the value of x, gives working out

Answer 1

Are there infinite terms?

Answer 2

use formula for solution left side :
S=a/(1-r)
a=the first term
r=ratio

Answer 3

a=1 And r=2x

Answer 4

And S=3/4

Answer 5

Now,can u do it?

Answer 6

no

Answer 7

i got all of that i just cant do it...

Answer 8

i cannot reply sometimes cos it freezes

Answer 9

U know the formula? S=a/(1-r)

Answer 10

yes i know eveyrhitng.

Answer 11

and i learn a(1-r)/1-r

Answer 12

Wasn't it...\[\rm S = a{1 - r^n \over 1 - r}\]

Answer 13

yeah

Answer 14

i know everything i just need someone to do it so i can compare what i did

Answer 15

i got something to the power of like 3/4 and then some weird fractrion

Answer 16

Then substitute all the values and solve for x.

Answer 17

i know but i didnt get it. who cares now. bye

Answer 18

OK, if you got something, then tell us what you got.

Answer 19

I mean the series converges .

Answer 20

@Prudence are u there???