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If a,b and c are in geometric progression the line a^2 x +b^2 y + ac = 0 will always pass through 1) (0,1)2) (1,0)3) (0,-1)4) (1,-1)

If a,b and c are in geometric progression the line a^2 x +b^2 y + ac = 0 will always pass through 1) (0,1)2) (1,0)3) (0,-1)4) (1,-1)

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Dear Pratham
 
it will always pass by (0, –1)
 
because 
 
 0 – b^2 + ac = 0
 
b^2 = ac
 
hence a,b, c are in G.P.
option is correct
 
Regards
Arun (askIITians forum expert)

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