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Equation of parabola having it's vertex at \mathrm{A(1,0)} and focus at \mathrm{S(3,0)} is

Option: 1

\mathrm{y}^{2}=4(\mathrm{x}-1)


Option: 2

\mathrm{y^{2}=4(x+1)}


Option: 3

\mathrm{y^{2}=8(x-1)}


Option: 4

\mathrm{y^{2}=8(x+1)}


Answers (1)

best_answer

Clearly, axis of parabola is the x- axis. Corresponding value of \mathrm{a=3-1=2}.

Thus, equation of parabola is
\mathrm{y^{2}=8(x-1)}.

Posted by

Devendra Khairwa

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