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Question in gujarati language it is a parabola 's question please solve it

Question in gujarati language 
it is a parabola 's question
please solve it

Question Image
Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

Please find the link below to all the formula related to the parabola

https://www.askiitians.com/iit-jee-coordinate-geometry/parabola.aspx#equation-of-parabola

Or kindly translate the question in English

Regards
Arun
25763 Points
one year ago
Dear student
 
As we know,
if line : y = mx + c and parabola : y^2 = 4ax
for a line to be tangent c = a/m 
 
y^2 = (2/3)x
 
hence 4a = 2/3
a = 1/6
 
now c = a/m
3 = 1/(6m)
 
m = 1/18
 
Hence option C is correct

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