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miah Group Title

Help ?

  • one year ago
  • one year ago

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  1. miah Group Title
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    • one year ago
  2. miah Group Title
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    @SandeepReddy

    • one year ago
  3. SandeepReddy Group Title
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    what is (a+b)*(c+d) ?

    • one year ago
  4. miah Group Title
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    uhm ?

    • one year ago
  5. SandeepReddy Group Title
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    what is the result of ( a+b)*(c+d) ?

    • one year ago
  6. tejadab268 Group Title
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    |dw:1363810206819:dw|

    • one year ago
  7. miah Group Title
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    something with a fraction

    • one year ago
  8. SandeepReddy Group Title
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    \[a*(b+c) = a*b+a*c \]

    • one year ago
  9. SandeepReddy Group Title
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    @tejadab268 No direct answers please, explain them instead!

    • one year ago
  10. miah Group Title
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    his answer wasnt even right

    • one year ago
  11. SandeepReddy Group Title
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    In the same way \[(a+b)*(c+d) = a*(c+d)+b*(c+d)\]

    • one year ago
  12. SandeepReddy Group Title
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    that is a*c+a*d+b*c+b*d

    • one year ago
  13. tejadab268 Group Title
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    So be it.......

    • one year ago
  14. SandeepReddy Group Title
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    now for help1, help2 and help4 you can use above formulae that i hav given

    • one year ago
  15. miah Group Title
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    but Idk how to do it

    • one year ago
  16. SandeepReddy Group Title
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    |dw:1363810963051:dw||dw:1363811076093:dw|

    • one year ago
  17. SandeepReddy Group Title
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    GOt it ?@miah

    • one year ago
  18. miah Group Title
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    yes, kind of. I was going to chose that answer. so the second one ?

    • one year ago
  19. tejadab268 Group Title
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    @SandeepReddy Good Explanation....... And I see I wasn't wrong ;) FOIL METHOD?

    • one year ago
  20. miah Group Title
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    sorry :P can you help with the second one ?

    • one year ago
  21. SandeepReddy Group Title
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    haha @tejadab268

    • one year ago
  22. SandeepReddy Group Title
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    Do it yourself @miah now u know how to do these kind of problem , give it a try! you can do it , its simple than we think!

    • one year ago
  23. miah Group Title
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    I still dont know how to do it

    • one year ago
  24. SandeepReddy Group Title
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    Remember \[(a+b)(a-b) = a^2 -b^2\]

    • one year ago
  25. SandeepReddy Group Title
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    Its very important as important as \[(a+b)^2 = a^2+2ab+b^2\]

    • one year ago
  26. SandeepReddy Group Title
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    |dw:1363812124287:dw|

    • one year ago
  27. miah Group Title
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    I got it right!

    • one year ago
  28. SandeepReddy Group Title
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    as for as rationalizing problem is concerned, multiply numerator and denominator with root 2

    • one year ago
  29. SandeepReddy Group Title
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    Now one problem left, can u do it urself?

    • one year ago
  30. miah Group Title
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    wait,.. no i didnt ?

    • one year ago
  31. miah Group Title
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    what answer choice is that ?

    • one year ago
  32. miah Group Title
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    wait. i did get it right (:

    • one year ago
  33. miah Group Title
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    I need help with the third one :o

    • one year ago
  34. miah Group Title
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    3√2/2

    • one year ago
  35. SandeepReddy Group Title
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    yes correct!

    • one year ago
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