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if -2x. X+10. 3x+2 are in …

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if -2x. X+10. 3x+2 are in so find the car e of x

    • Posted by Nihal Hacker 6 years, 6 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Sia ? 6 years, 6 months ago

    lf 2x, x + 10, 3x + 2 are in A.P.,we have to  find the value of x.

    Since, 2x, x + 10, 3x + 2 are in A.P.therefore 2 (x + 10) = 2x + 3x + 2
    {tex}\Rightarrow{/tex} 2x + 20 = 5x + 2
    {tex}\Rightarrow{/tex} 3x = 18  {tex}\Rightarrow{/tex} x = 6 ​​

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