Determine whether the following sequence is geometric. If so, find the common ratio.
2, 10, 50,250, ...
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
(Simplify your answer.)
A. The given sequence is geometric. The common ratio is r=
O B. The given sequence is not geometric.

a) r = 5

b) false

Step-by-step explanation:

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step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,