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Grade: 12th pass
        
If the line 2x + 3y + 4 + k (- x + 2y + 5) = 0 is horizontal, then k = 
A. 0
B. 1
C. 2
D. 3
3 months ago

Answers : (2)

Arun
22771 Points
							
Dear student
 
if this line is horizontally then coefficient of x should be zero.
 
hence 2- k = 0
hence k = 2
 
3 months ago
Vikas TU
9095 Points
							
Der student , 
Where ever horizontal component of line is given then put x =0 , 
Wherever vertical line is given put y =0 
So , here put x =0 
2-k =0 
k=2 
Hope this helps 
Cheers 
3 months ago
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