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Maths Puzzle
If xy = 16, then find the minimum value of x + y.
Read Solution (Total 2)
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- Arithmetic Mean of x, y = (x+y)/2
Geometric Mean of x, y = sqrt(x.y)
A.M≥G.M
from AM GM rule (x+y)/2 ≥ sqrt(x.y)
Substituting xy = 16,we get x+y2≥4
(Or) x+y≥8 - 11 years agoHelpfull: Yes(0) No(0)
- relation is AM greaterthan or equalto GM
- 11 years agoHelpfull: Yes(0) No(0)
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