Question

Write the sum using summation notation, assuming the suggested pattern continues.

4 - 24 + 144 - 864 + ...

summation of four times six to the power of n from n equals zero to infinity

summation of four times six to the power of n from n equals zero to infinity

summation of four times negative six to the power of the quantity n minus one from n equals zero to infinity

summation of four times six to the power of the quantity n plus one from n equals zero to infinity

Answer 1

@AravindG

Answer 2

\[\sum_{n=D}^{\infty} 4 X 6n\]

Answer 3

4 times^ six n

Answer 4

Make sure you check the sign too!

Answer 5

Here are the answer responses:

Answer 6

would it be the last one? \[\sum_{n=D}^{\infty} 4 \times 6^{n}\]

Answer 7

The last option always give a positive value for all n. But we also get negative values alternatively in the sequence. Hence it is wrong.

Answer 8

Ohhh okay, can you explain how to solve it? I'm so confused on this

Answer 9

Actually you are 99% complete. You just do a manipulation on ur answer so that u get alternative +-

Answer 10

Ohh! so its this one?

Answer 11

Exactly! :)

Answer 12

Thankyou so much! :) you were an awesome helper!

Answer 13

yw :)