Let p, q, r \epsilon\, R^+ and 27 pqr \geq\, (p\, +\, q\, +\, r)^ | Filo
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Class 11

Math

Algebra

Sequences and Series

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Let p, q, r and and then is equal to

  1. 2
  2. 6
  3. 3
  4. None of these
Correct Answer: Option(c)
Solution: Since , hence we can apply the concept of 




Or 
. ...(i)
But it is given that ...(ii)
Hence from (i) and (ii), we get 

Then .
Hence

.
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