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प्रश्न
The equation of the tangent from origin to the circle x2 + y2 – 2rx – 2hy + h2 = 0 is:
विकल्प
(h2 – r2 ) x + 2rhy = 0
y = 0
x – y = 0
(h2 – r2) x – 2rhy = 0
MCQ
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उत्तर
(h2 – r2) x – 2rhy = 0
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Quadratic and Linear Equation (Entrance Exam)
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