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Find the middle point of the chord inter...

Find the middle point of the chord intercepted on line `lx + my + n = 0` by circle `x^2+y^2=a^2`.

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The correct Answer is:
Hence, the required point is `(-(nl)/(l^(2)+m^(2)),-(nm)/(l^(2)+m^(2)))`.
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ARIHANT MATHS-CIRCLE -Exercise (Questions Asked In Previous 13 Years Exam)
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  3. If the circles x^2+y^2+2a x+c y+a=0 and points Pa n dQ , then find the...

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  7. ABCD is a square of side length 2 units. C(1) is the circle touching ...

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  8. ABCD is a square of side length 2 units. C(1) is the circle touching ...

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  9. If the lines 3x-4y-7 = 0 and 2x-3y-5=0 are two diameters of a circle o...

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  10. Let C be the circle with centre (0, 0) and radius 3 units. The equatio...

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  11. Tangents are drawn from the point (17, 7) to the circle x^2+y^2=169, S...

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  12. Consider a family of circles which are passing through the point (-...

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  13. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

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  14. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

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  15. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

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  16. Consider: L1:2x+3y+p-3=0 L2:2x+3y+p+3=0 where p is a real number and...

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  17. The point diametrically opposite to the point P(1, 0) on the circle x^...

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