Need help geometric sequences see pic for details

Given:

The recursive formula of a geometric sequence is

To find:

The explicit formula of the given geometric sequence.

Solution:

We know that, first term of geometric sequence is .

Recursive formula of a geometric sequence is

     ...(i)

where, r is common ratio.

We have,

   ...(ii)

On comparing (i) and (ii), we get

The explicit formula of a geometric sequence is

Putting and , we get

Therefore, the correct option is D.

answer: i guess 105 degrees?

step-by-step explanation:

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v