IIT JEE 1982 Maths - MCQ Question 4

Algebra Level 3

The third term of a geometric progression is 4. What is the product of the first five terms?

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4 5 4^5 4 4 4^4 None of the others 4 3 4^3

Shubhamkar Ayare by Shubhamkar Ayare , 22, India

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1 solution

Md Zuhair
Nov 30, 2016

The terms are a / r 2 a/r^2 , a / r a/r , a a , a r ar , a r 2 ar^2

Hence Given 3rd tem a a = 4 4

Now multiplying the given sequence we get a 5 a^5 or 4 5 4^5 (Ans)

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