Challenger App

No.1 PSC Learning App

1M+ Downloads
5,√5,1..... എന്ന ശ്രേണിയുടെ n-ാം പദം 1/625 ആണ്. എങ്കിൽ n എന്നത് ................,

A11

B10

C12

D13

Answer:

A. 11

Read Explanation:

GP 5,√5,1......... r=1/√5 1/625=1/(5)⁴=1/((√5)²)⁴=1/(√5)⁸ n=8+3=11


Related Questions:

What is the sum of infinite geometric series with first term equal to 1 and common ratio is ½?
How many terms of the GP : 3, 3/2, 3/4,... are needed to give the sum 3069/512?

O is a point inside the triangle <OBC= <OCA and <OCB= <OBA. <A= 50°. What is the measure of <BOC?

WhatsApp Image 2024-11-29 at 17.20.54.jpeg
Find the 8th term in the GP : 3, 9, 27, ....

line AB and CD intersect each other at 'O'. ∠AOC = 130°. Find the reflex angle of ∠BOC.

image.png