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babu rao
rakesh goli @babu rao 21
Posted 11 Jul '13
a^7b^2c^3d^5=512.Find the minimum value of a^7+2b^2+2c^3+2d^5. a.32 b.24 c.56 d.48 can any one give shortest approach??
a^7b^2c^3d^5=512.Find the minimum value of a^7+2b^2+2c^3+2d^5.

a.32 b.24 c.56 d.48
can any one give shortest approach??
  • 4 Comments
  • AM gm (a^7+2b^2+.......)/4>=(a^7*2b^2*2c^2*2d^5)^1/4 (p.... 11 Jul '13.
  • 32. 12 Jul '13.