The distance between the lines represented by 4x2 + 12xy + 9y? - 6x+9y+2 =0 is
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Answer:
ANSWER
Given Eq
x
2
−6xy+9y
2
+3x−9y−4=0
x=
2
−(3−6y)±
9−36y+36y
2
−4(9y
2
−9y−4)
2x=−(3−6y)±
9−36y+36y
2
−36y
2
−36y+16
2x=−(3−6y)±
25
2x=−(3−6y)±5
2x=−3+6y+5 and 2x=−3+6y−5
2x−6y=2 and 2x−6y=−8
x−3y−1=0 and x−3y+4=0
Here lines are parallel Distance between x−3y−1=0 and x−3y+4=0 by formula is
distance=
∣
∣
∣
∣
∣
a
2
+b
2
c
1
−c
2
∣
∣
∣
∣
∣
distance=
∣
∣
∣
∣
∣
∣
1
2
+(−3)
2
−1−4
∣
∣
∣
∣
∣
∣
distance=
∣
∣
∣
∣
∣
1+9
−5
∣
∣
∣
∣
∣
distance=
10
5
distance=
10
5
10
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