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23-01-2024
Mathematics

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The equation of the tangents drawn from the origin to the circle x²+y²−2rx−2hy+h²=0 are
a. x = 0, y = 0
b. (h² - r²)x - 2rhy = 0, x = 0
c. y = 0, x =4
d. (h² - r²)x + 2rhy = 0, x = 0

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