vanshika9086
vanshika9086 vanshika9086
  • 21-10-2016
  • Mathematics
contestada

Find the value of 2^1/2. . 4^1/8 . 8^1/16. . 16^1/32 ..........infinity

Respuesta :

HeavenlyHelper
HeavenlyHelper HeavenlyHelper
  • 21-10-2016
tn=n/2^(n+1) tn+1=(n+1)/2n+2=n/2n+2+1/2n+2 tn+1=tn/2+1/2n+2 t2=t1/2+1/2^3 t3=t2/2+1/2^4 . . . --------------------- adding Sn-t1=Sn/2 +(1/2^3+1/2^4+.........) Sn/2=t1+(1/2^3+1/2^4....)

Sn/2=1/4+(1/2^3)(1/(1-1/2)) =1/4+1/4 Sn=1

Answer Link

Otras preguntas

Help right answers only please ASAP on quiz
help pls pls help pls ​
Give the equation of the line graphed below in slope-intercept form. Give your answer without spaces. Simplify any fractions as much as possible (example: from
Which of the following describes a situation in which the total distance a baseball player travels is 0 meter from his starting point? A). The player runs 4 me
A computer’s memory is composed of 8k words of 32 bits each. How many bytes does this memory contain?.
= Graph the functions y = 2x + 1 and y = 2x + 4 on the same grid to determine whether they are linear or nonlinear. Describe the similarities and differences be
A model airplane is made to the scale 1 inch to 24 inches. If the wing of the actual plane is 18 feet long, how long will the model wing be?
Connect winston's Conversation with the older gentleman to the party's view of the proles
A regular pentagon and an equilateral triangle have the same perimeter. The perimeter of the pentagon is 5(5x + 2) inches. 3x The perimeter of the triangle is 4
What volume of 6. 0 m hno3 would be needed to make 500 ml of 0. 50 m solution?.