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If x y, z are in GP, then which of the...

If x y, z are in GP, then which of the following is/are correct?
1. In (3x), In(3y), in (3z) are in AP
2. xyz +In (x), xyz +ln(y), xyz + ln (z) are in HP
Select the correct answer using the code given below.

A

I only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

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