Q2 of 105 Page 152

Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?

a = √5, r =

First term (a) = 4; common ratio (r) = 3

The three terms are given by


⇒ a, ar, ar2.


= √5, √5×, √5×( 2 = √5,


More from this chapter

All 105 →
1

In which of the following situations, does the list of numbers involved in the form of a GP.?

Perimeter of each triangle, when the mid points of sides of equilateral triangle whose side is 24 cm are joined to form another triangle, whose mid points in turn are joined to form still another triangle and the process continues indefinitely.


 2

Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?

a = 4, r = 3

 2

Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?

a = 81, r =

2

Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?

a = , r = 2