1.

Write down the first five terms of the geometric progression which has first term 1 and common difference 1/2

Answer»

er:

1, 1/2, 1/4, 1/8, 1/16

Explanation:

Let a be the FIRST term.

Given a=1 and r=1/2

now,

a1 =a=1

a2 = 1 × (1/2) = (1/2)

a3 = 1 × (1/2)^2 = (1/4)

A4 = 1 × (1/2)^3 = (1/8)

a5 = 1 × (1/2)^4 = (1/16)


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