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SSC Sample Paper Mock Test-7 SSC CGL Tear-II Paper-1

  • question_answer
    If \[\sqrt{2x}-\sqrt{3}y=0\] and \[\sqrt{7}x+\sqrt{2}y=0,\] then the value of

    A)  1

    B)  2

    C)  3

    D)  0

    Correct Answer: D

    Solution :

    As the equations are homogeneous equations and also\[\frac{{{a}_{1}}}{{{a}_{2}}}\ne \frac{{{b}_{1}}}{{{b}_{2}}}.\]So, equation has one solution \[x=y=0\] \[\Rightarrow \]   \[x+y=0\]


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