AP EAPCET 04-Jul-2022 Shift 1 Paper

Section: Mathematics

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Question : 66 of 160

Marks: +1, -0

If ax+by=1 is a normal to the parabola y2=4px then the condition is

2ab=a2+b2
4pab+ab3=a2b2
pa3=b2−2pab2
pa2+4pa=a+b

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