Question

For what values of x are the numbers (x+9),(x−6) and 4 in GP?
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Answer 1

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Step-by-step explanation:

Answer

If (x+9),(x−6) and 4 are in GP then common ratio will be equal.

⟹

x+9

x−6

=

x−6

4

⟹(x−6)

2

=4(x+9)

⟹x

2

−12x+36=4x+36

⟹x(x−16)=0

⟹x=0 or x=16.

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Answer 2

Answer:

Answer in attachment.

Step-by-step explanation:

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