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If 7/12xy=21, then find the minimum valu...

If `7/12xy=21`, then find the minimum value of `5(x+y)`.

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KALYANI PUBLICATION-INEQUALITIES AND INEQUATIONS-EXERCISE
  1. If x + y=5, then find the greatest value of 10xy.

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  2. If 2x+ 3y = 5, then find the greatest value of 8xy.

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  3. If 7/12xy=21, then find the minimum value of 5(x+y).

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  4. Find the solution sets of the following inequations. 7(3-2x)+5(x-1)l...

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  5. Find the solution sets of the following inequations. 5(x-11)+4gt2(x-...

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  6. Find the solution sets of the following inequations. 8(2x-7)-9(3x-14...

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  7. Find the solution sets of the following inequations. 13x-4(5x-8)+17g...

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  8. Find the solution sets of the following inequations. 14(x-4)+3(x+5)l...

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  9. Find the solution sets of the following inequations. a^2(x-a)+b^2(x-...

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  10. Find the solution sets of the following inequations. (x-6)/5+(x-4)/3...

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  11. Find the solution sets of the following inequations. x/10+(2x-13)/9g...

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  12. Find the solution sets of the following system of inequations. 4x+3g...

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  13. Find the solution sets of the following system of inequations. 5(1-x...

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  14. Find the solution sets of the following system of inequations. 3x+2l...

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  15. Find the solution sets of the following system of inequations. 4(x-3...

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  16. Find the solution sets of the following system of inequations. 3(x-2...

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  17. Find the solution set of the following system of inequations. 49+13(...

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  18. Find the solution sets of the following system of inequations. 14(x-...

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  19. Find the solution sets of the following inequations. x^2-7x+12gt0.

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  20. Find the solution sets of the following inequations. x^2-x-20lt0.

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