Class 11

09. Circles question bank (Maths)

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Q1.

A square is inscribed in the circle \(x^2 + y^2 - 2x + 4y + 3 = 0\), whose sides are parallel to the coordinate axes. One vertex of the square is  

(A)
\((1 + \sqrt{2}, -2)\)
(B)
\((1 - \sqrt{2}, -2)\)
(C)
\((1, -2 + \sqrt{2})\)
(D)
None of these
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Q2.

If the line \(x + 2by + 7 = 0\) is a diameter of the circle  
\(x^2 + y^2 - 6x + 2y = 0\), then \(b =\)  

(A)
3
(B)
5
(C)
1
(D)
5
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