MAH CET MCA Parabola Previous Year Questions (PYQs)
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The equation of a parabola is $y^2=4x$. Which of the following points lies on the parabola?
1
2
3
4
Solution
For $y^2=4x$, we need $x=\dfrac{y^2}{4}$.
For $y=\pm4$, $x=\dfrac{16}{4}=4$ $\Rightarrow$ $(4,4)$ and $(4,-4)$ satisfy.
Others give $x\neq\dfrac{y^2}{4}$.
MAH CET MCA
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