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Question

Find the vertex, axis, focus, and latus rectum of the parabola
4y2+12x20y+67=0

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Solution

4y2+12x20y+67=0

4y220y=12x67

(y52)2=3(x(72))

Vector is (72,52)

a=34

Focus (ha,k)

(7234,52)

Focus (174,52)

equation of axis y=52

equation of directeri xx=34

(x=a)

Latus rectum 4a=3

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