UPSEE Solved Model Paper 2

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Question : 143 of 150

Marks: +1, -0

The line x cos α + y sin α = p will touch y2 = 4a(x + a) if

p cos α + a = 0
p cos α - a = 0
p2 + p cos α = 0
p2 sin2 α + a = 0

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