1.

If and c are positive real number and the ellipse(x^(2))/( 4c^(2)) +(y^(2))/( c^(2)) = 1has four distinct points in the common with circlex^(2) + y^(2) =9a^(2)then

Answer»

` 9ac -9A^(2) -2c^(2) LT 0 `
` 6AC +9a^(2) -2c^(2) lt 0 `
` 9ac -9a^(2) -2c^(2) gt 0 `
` 6ac +9a^(2)-2c^(2)gt 0 `

Answer :C


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