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mayankdevnani

  • 2 years ago

A metal cube of edge 12 cm is melted and formed into three smaller cubes. If the edges of two smaller cubes are 6 cm and 8 cm . Find the edge of the third smaller cube.(Assume that there is no loss of metal during melting).

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  1. shamim
    • 2 years ago
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    12*12*12=6*6*6+8*8*8+l*l*l

  2. mayankdevnani
    • 2 years ago
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    what???plz explain me

  3. shamim
    • 2 years ago
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    u hv to solve this equation

  4. shamim
    • 2 years ago
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    ok

  5. shamim
    • 2 years ago
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    the volume of larger cube is equal to the total volume of those small three cube

  6. Outkast3r09
    • 2 years ago
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    \[V_{initial}=V_{final}\] \

  7. shamim
    • 2 years ago
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    ya u r righr

  8. mayankdevnani
    • 2 years ago
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    ok

  9. shamim
    • 2 years ago
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    do u wnt to get the solution of my equation

  10. mayankdevnani
    • 2 years ago
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    12*12*12=6*6*6+8*8*8+l*l*l |dw:1353831812338:dw|

  11. shamim
    • 2 years ago
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    no

  12. mayankdevnani
    • 2 years ago
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    req. eq 8*8*8+l*l*l=2*2*2

  13. shamim
    • 2 years ago
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    now i m going to explaining it

  14. mayankdevnani
    • 2 years ago
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    ok plz @shamim

  15. shamim
    • 2 years ago
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    now i m going to explaining it\[12\times12\times12=6\times6\times6+8\times8\times8+l ^{3}\]

  16. shamim
    • 2 years ago
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    \[or, 1728=216+512+l ^{3}\]

  17. shamim
    • 2 years ago
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    \[or, l ^{3}=1728-216-512\]

  18. shamim
    • 2 years ago
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    \[or, l ^{3}=1000\]

  19. mayankdevnani
    • 2 years ago
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    \[l^3=1000\] \[l=10cm\]

  20. shamim
    • 2 years ago
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    \[or, l=10\]

  21. mayankdevnani
    • 2 years ago
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    right @shamim

  22. shamim
    • 2 years ago
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    ya u r right

  23. mayankdevnani
    • 2 years ago
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    thnxx....

  24. shamim
    • 2 years ago
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    welcome

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