Solve 80th question according to me its answer would be (b)
Shrimad , 8 Years ago
Grade 12th pass
Analytical Geometry> Solve 80th question according to me its a...
1 Answers
Arun
For Parabola
2y dy/dx = 4
y dy/dx = 2
but dy/dx = 2 frm line
hence
y = 1
now
1^2 = 4x +5
4x = –4
x = – 1
hence equation of line
y –1 = 2 (x+1)
y = 2x+3
option A is correct
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