Insert 2 geometric means between -32 and 4

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22 votes

Answer:

16, -8

Explanation:

Let the terms of the geometric sequence be
a, ar, ar^2, ar^3 .

We know that
a=-32 and thus,
$-32r^3=4 \implies r=-1/2$ .

This means
ar=(-32)(-1/2)=16 and
ar^2=-32(1/2)^2=-8 .

Qorbani answered Mar 13, 2023

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