The condition that the parabolas y? = 4ax and y² = 4c(x – b) %3D have a common normal other than x axis (a, b, c being distinct positive real numbers) is b < 2 (A) а -с (В) > 2 а -с (C) < 1 (D) > 1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The condition that the parabolas y? = 4ax and y² = 4c(x – b)
%3D
%3D
have a common normal other than x
axis (a, b, c being
distinct positive real numbers) is
(A)
< 2
(В)
> 2
а -с
а —с
(C)
< 1
(D)
> 1
а -с
а -с
Transcribed Image Text:The condition that the parabolas y? = 4ax and y² = 4c(x – b) %3D %3D have a common normal other than x axis (a, b, c being distinct positive real numbers) is (A) < 2 (В) > 2 а -с а —с (C) < 1 (D) > 1 а -с а -с
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