Equation of a common tangent to the circle x2+y2−6x=0 and the parabola, y2 = 4x, is
a.
2
y = 12 x + 1
b.
2
y = − x − 12
c.
y = x + 3
d.
y = 3x + 1
a.
2 y = 12 x + 1
b.
2 y = − x − 12
c.
y = x + 3
d.
y = 3x + 1
Question ID - 56522 | SaraNextGen Top Answer Equation of a common tangent to the circle x2+y2−6x=0 and the parabola, y2 = 4x, is
a.
2 y = 12 x + 1
b.
2 y = − x − 12
c.
y = x + 3
d.
y = 3x + 1
Equation of a common tangent to the circle x2+y2−6x=0 and the parabola, y2 = 4x, is
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a. |
2 |
b. |
2 |
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c. |
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d. |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
Let equation of tangent to the parabola y2 = 4x is y = mx+
,
m2x−ym+1=0 is tangent to x2+y2−6x=0
=3
m =
tangent are x+
y+3=0
And x−
+3=0
127 votes
Answer Link
127