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[" Paragraph for Questions "8" to "10],[hline" Tangents are drawn from the point "P(3,4)" to the ellipse "(x^(2))/(9)+(y^(2))/(4)=1" touching the ellipse "],[" at points "A" and "B" ."],[" 8.The coordinates of "A" and "B" are "],[" (A) "(3," 0) and "(0,2)quad " (B) "(-(8)/(5),(2sqrt(161))/(15))" and "(-(9)/(5),(8)/(5))],[" (C) "(-(8)/(5),(2sqrt(161))/(15))" and "(0,2)quad " (D) "(3,0)" and "(-(9)/(5),(8)/(5))],[" 9.The orthocenter of the triangle PAB is "],[[" (A) "(5,(8)/(7))," (B) "((7)/(5),(25)/(8))," (徐) "((11)/(5),(8)/(5))" a "8," D) "((8)/(25),(7)/(5))]]

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