IIT JEE , AIEEE Forum - Mathematics , Algebra

Discussion Response Post to: A.P, G.P, H.P

Forum Index -> Algebra -> View Full Question

Author

Message

22 Apr 2007 20:46:49 IST

Subject: Re:A.P, G.P, H.P

Avinash_Bhat (665)

Blazing goIITian

111 [166 rates]

total posts: 308
Offline

2^1/4 * 4^1/8 * 8^1/16 * ..............

= 2^1/4 * 2^2/8 * 2^3/16 * ...............

= 2^{1/4 + 2/8 + 3/16 + ................}

= 2^S

S = 1/4 + 2/8 + 3/16 + .............. -

S/2 = 1/8 + 2/16 + ..............

=> S/2 = 1/4 + 1/8 + 1/16 + ...............(Infinite G.P.)

=> S = 1

SO : 2^S = 2¹ = 2

this reply: 2 points (with 0 Olaaa!! Perrrfect answer.

in 1 votes ) [?]

You have to be logged on to rate

Aakash Institute IIT/ AIEEE/ Medical Crash Course
Name
E-mail
Phone
Mobile

** Hurry. Exclusive goIIT Offer. Limited Seats Only!
available in: New Delhi, Amritsar, Bhatinda, Bokaro, Chandigarj, Dehradun, Guwhati, Hyderabad, Indore, Jaipur, Kanpur, Karnal, Kolkata, Kota, Lucknow, Ludhiana, Mumbai, Noida, Patiala, Patna, Pune, Ranchi, Varanasi

Top Offers for goIITians