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Find the value of k for …

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Find the value of k for which the equations 2x+5y=7,3x-ky=5 has a unique solution

    • Posted by Account Deleted 7 years, 6 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Shubham Kumar 7 years, 6 months ago

    2/3 not= 5/K 2K not= 15 ,K not = 15/2. Sorry for previous answer of this question

    2Thank You

    Shubham Kumar 7 years, 6 months ago

    For unique solution A1/A2 not equal to b1/b2 Then, 2/5 not= 5/K ~2K not = 25. ~K not= 25/2. Accept 25/2 other value can be written as K.

    2Thank You

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