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The equation of an ellipse whose eccentr...

The equation of an ellipse whose eccentricity is 1/2 andthe vertices are (4, 0) and (10, 0) is

A

`3x^(2) +4y^(2)- 42x+ 120 = 0`

B

`3x^(2) +4y^(2)+ 42x+ 120 =0`

C

`3x^(2) +4y^(2)+ 42x- 120= 0`

D

`3x^(2) +4y^(2) -42x- 120=0`

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The correct Answer is:
A
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