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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    Line\[ax+by+c=0\]is normal to the circle\[{{x}^{2}}+{{y}^{2}}={{r}^{2}}\]. Length of the intercepts cut by the line on the circle is

    A)  r                 

    B)  \[{{r}^{2}}\]

    C)  2r               

    D)  \[\sqrt{r}\]

    Correct Answer: C

    Solution :

     We know that, normal to any circle passes through the centre of the circle. Hence, length of intercept \[=2r\]


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