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the tangents to the parabola y2 =4ax at p(at2,2at) and q(at22,2at2) intersect at r. what is the area of the triangle PQR ?

the tangents to the parabola y2 =4ax at p(at2,2at) and q(at22,2at2) intersect at r. what is the area of the triangle

PQR ?

Grade:12

3 Answers

vivek kumar
57 Points
9 years ago

find the intersection pt as at1t2,a(t1+t2)

and apply area of triangle formula

Vikas TU
14149 Points
9 years ago

They will intersct at point = {a(t + t2), att2)

now u can find th area using determinant fom!

 

plz approve! 

rohit yadav
34 Points
9 years ago

5at2

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