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Grade: 12th pass

                        

curve 16x 2 +8xy+y 2 -74x-78y+212=0 represents parabola ellipse hyperbola none of these

5 years ago

Answers : (5)

Neeraja Outdare
35 Points
							
parabola!
h=4 a=4 b=1

h^2=ab which implys parabola

study short cut methods on parabola
5 years ago
ng29
1698 Points
							
yes it is parabola
for parabola  h2=ab  and also  Discriminant must be non zero 
Discriminant= abc+2fgh-af2-bg2-ch2
for given eq-    a=16   b=1   h=4    
approve if useful
5 years ago
ng29
1698 Points
							
@neeraja
check ur answer again
u had written  a=4 and that is incorrect according to ur values answer is not parabola
5 years ago
Neeraja Outdare
35 Points
							
sry..thnks fr correcting!
5 years ago
ng29
1698 Points
							
sure  
my  pleasure
5 years ago
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