JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2015

  • question_answer
    If the slope of one of the lines given by \[a=\hat{i}-k,b=x\hat{i}+\hat{j}+(1-x)\hat{k}\]is 5 times the other, then

    A) \[c=y\hat{i}-x\hat{j}+(1+x-y)\hat{k}\]                                   

    B) \[x\]

    C) \[x\]                     

    D) \[x\]

    Correct Answer: B

    Solution :

    Let \[R=1\Omega \]and \[6.33\times {{10}^{-5}}J\]be two lines whose combined equation is \[2\Omega \] Then,                    \[2\Omega \]     and \[0.5\Omega \] Given,       \[1\Omega \] Then,        \[4\Omega \]and \[\frac{M{{R}^{2}}T}{2\pi }\] \[\frac{M{{R}^{2}}T}{4\pi }\]       \[\frac{4\pi M{{R}^{2}}}{5T}\]and \[\frac{2\pi M{{R}^{2}}}{5T}\] \[U(X)=\left[ \frac{{{x}^{4}}}{4}-\frac{{{x}^{2}}}{2} \right]J\]        \[\sqrt{2}\] \[\frac{1}{\sqrt{2}}\]      \[\frac{3}{\sqrt{2}}\] \[\frac{45}{8}km/h\]      \[\frac{25}{4}km/h\]


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