Mathematics

12th

grade

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Quiz 5

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6 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

     an+1=3an+5 a_{n+1}=3a_n+5\   
    дарааллын  a1=2a_1=-2 бол  a5a_5 -ыг ол  

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    38

  • 2. Multiple Choice
    1 minute
    1 pt

     a40+a48=38, a26=11a_{40}+a_{48}=38,\ a_{26}=11  
    бол  a_{35}=?  

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  • 3. Multiple Choice
    1 minute
    1 pt

     7+13+19+...+(6n+1)=4807+13+19+...+(6n+1)=480  
    бол  nn  утгыг олно уу.

    10

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