If a, b, c, and d are in H.P., What can we say about the terms bcd, acd, abd, and abc

Question

If a, b, c, and d are in H.P., What can we say about the terms bcd, acd, abd, and abc
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Solution 1

If a, b, c, and d are in Harmonic Progression (H.P.), it means that their reciprocals are in Arithmetic Progression (A.P.).

So, 1/a, 1/b, 1/c, and 1/d are in A.P.

Let's denote these terms as p, q, r, and s respectively. So, p = 1/a, q = 1/b, r = 1/c, and s = 1/d.

Now, we know that in an A.P., th Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv

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