CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2001

  • question_answer
    If\[r=2a\cos \theta \]represents a circle, then its centre is:

    A)  \[(0,-a)\]            

    B)  (a, a)    

    C)  \[(-a,0)\]            

    D)         (a, 0)

    E)  (0, a)

    Correct Answer: D

    Solution :

    If\[r=2a\text{ }\cos \,\theta \]represents a circle, then centre of circle is (a, 0).


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