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Joint equation of two lines, through (x(...

Joint equation of two lines, through `(x_(1),y_(1))`, parallel to two lines
`ax^(2)+2hxy+by^(2)=0` is

A

(a) `a(y-y_(1))^(2)+2h(x-x_(1))(y-y_(1))+b(x-x_(1))^(2)=0`

B

(b) `a(y-y_(1))^(2)-2h(x-x_(1))(y-y_(1))+b(x-x_(1))^(2)=0`

C

(c) `b(y-y_(1))^(2)+2h(x-x_(1))(y-y_(1))+a(x-x_(1))^(2)=0`

D

(d) `ax_(1)^(2)+2hx_(1)y_(1)+by_(1)^(2)=0`

Text Solution

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The correct Answer is:
C
NA
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