Question

please help me with sigma notations:

Answer 1

\[\sum_{i=3}^{8}3+6i\]

Answer 2

@primeralph

Answer 3

so we start at 3 and go to 8

Answer 4

yep

Answer 5

but what does the equation look like?

Answer 6

i'm new at this, can you help me?

Answer 7

Can't we can take out 3, 6 times out of the sigma?

Answer 8

(3+6(3))+(3+6(4))+...+(3+6(8))

Answer 9

Firstly put i = 3, and then i = 4, and then i = 5, and then add what are you getting by putting the values.

Answer 10

For i = 3, 3 + 6(3)

For i = 4, 3 + 6(4)

For i = 5, 3 + 6(5)

.........

Like this upto 8.

And add all..

Answer 11

[3+6(3)]+[3+6(4)]+[3+6(5)]+[3+6(6)]+[3+6(7)]+[3+6(8)] is that what it looks like?

Answer 12

You will get a number simply..

Answer 13

@trumpetmaster7777 yeah

Answer 14

[3+6(3)]+[3+6(4)]+[3+6(5)]+[3+6(6)]+[3+6(7)]+[3+6(8)]
3+18 3+24 3+30 3+36 3+42 3+48
21 27 33 39 45 51
21+27+33+39+45+51
=?

Answer 15

Yep.. Go ahead.

Answer 16

216

Answer 17

is that correct?

Answer 18

yep

Answer 19

Good..

Answer 20

thank you all

Answer 21

Simple, no??

Answer 22

You are welcome dear.

Answer 23

yes, pretty easy for now.

Answer 24

Keep it up then..

Answer 25

medal for me?

Answer 26

sry, gave it to water