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

Class 11

Math

Algebra

Sequences and Series

580
150

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

1. 2
2. 6
3. 3
4. None of these
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

.
580
150

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