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IUT_14-15
HSC - উচ্চতর গণিত ২য় পত্র
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অধ্যায়-০৬ঃ কনিক
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A cross-section of a parabolic reflector is shown in the figure below. The light source is located at the
\text { A cross-section of a parabolic reflector is shown in the figure below. The light source is located at the }
A cross-section of a parabolic reflector is shown in the figure below. The light source is located at the
focus of the parabola and the opening of the focus is
10
c
m
. The equation of the parabola is-
\text { focus of the parabola and the opening of the focus is } 10 \mathrm{~cm} \text {. The equation of the parabola is- }
focus of the parabola and the opening of the focus is
10
cm
. The equation of the parabola is-
A.
y
2
=
22
x
y^{2}=22 x
y
2
=
22
x
B.
y
2
=
5
x
y^{2}=5 x
y
2
=
5
x
C.
y
2
=
10
x
y^{2}=10 x
y
2
=
10
x
D.
y
2
=
17
x
y^{2}=17 x
y
2
=
17
x
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