If p, q, r are real numbers and \( p^2 + 4q^2 + 9r^2 - 2pq - 6qr - 3rp = 0 \) then p, q, r in

A Arithmetic Progression

B Geometric Progression

C Harmonic Progression

D None

Solution

Correct Answer: Option A

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions