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B
5
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C
6
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D
8
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Solution
The correct option is A4 y2+4x−6y+13=0 ⇒(y−3)2+4(x+1)=0 ⇒(y−3)2=−4(x+1) We know latus rectum of standard parabola Y2=−4aX is 4a Comparing given parabola with standard parabola, X=x+1,Y=y−3,a=1 Hence latus rectum of the given parabola is 4a=4(1)=4