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If focus of the parabola is (3, 0) and l...

If focus of the parabola is (3, 0) and length of latus rectum is 8, then its vertex ;

Text Solution

Verified by Experts

`3x-7y^2+3xyz=3(2)-7(-4)^2+3(2)(-4)(1)`
`=6-7xx16-6xx4`
`=6-112-24`
`=6-136`
`=130`
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