3 years ago

Find the sum of nth term of the series 1+3/2+5/2^2+7/2^3+.......

1 answer:

ioda3 years ago

6 0

Answer:

an = (1 + 2·(n - 1))/2^(n - 1) = 2^(1 - n)·(2·n - 1)

sn = 6 - 2·0.5^n·(2·n + 3)

You might be interested in

Semenov [28]

Answer:

1) 128

2) 32

Step-by-step explanation:

1) 8C1×4C1×4C1 = 128

2) 5C1 + 5C2 + 5C3 + 5C4 + 5C5

= 32

8 0

3 years ago

Lady_Fox [76]

Answer:

I think there's 502

Step-by-step explanation:

if this is a olunomical question that should be it I believe, because you have to write in standered form then when it equals zero, then factor it

3 0

2 years ago

Sloan [31]

Answer:

x over y using the numbers given

Step-by-step explanation:

5 0

3 years ago

anzhelika [568]

Area is 804.25 if the radius is 16cm

8 0

3 years ago

Maurinko [17]

Answer:

All corresponding sides and angles will be congruent

Step-by-step explanation:

7 0

3 years ago