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Consider the relation 4l2−5m2+6l+1=0, where l,m∈R. If the line lx+my+1=0 touches a fixed circle, then the centre of that circle is: |
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Answer» Consider the relation 4l2−5m2+6l+1=0, where l,m∈R. If the line lx+my+1=0 touches a fixed circle, then the centre of that circle is: |
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