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# True/False: Circle | JEE Advanced Notes | Study Maths 35 Years JEE Main & Advanced Past year Papers - JEE

## Document Description: True/False: Circle | JEE Advanced for JEE 2022 is part of Maths 35 Years JEE Main & Advanced Past year Papers preparation. The notes and questions for True/False: Circle | JEE Advanced have been prepared according to the JEE exam syllabus. Information about True/False: Circle | JEE Advanced covers topics like and True/False: Circle | JEE Advanced Example, for JEE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for True/False: Circle | JEE Advanced.

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Q.1. No tangent can be drawn from the point (5/2, 1) to the circumcircle of the triangle with vertices (1, ) (1,- ) , (3,-) . (1985 - 1 Mark)

Ans. T

Sol. The circle passes through the points  and
Here line AB is parallel to y-axis and BC is parallel to x-axis, there ∠ABC = 90°

∴ AC is a diameter of circle.

∴ Eq. of circle is

(x – 1) (x – 3) +
⇒ x2 + y2 – 4x = 0 … (1)
Let us check the position of pt (5/2, 1) with. respect  to the circle (1),
we get

∴ Point lies inside the circle.
∴ No tangent can be drawn to the given circle from point (5/2, 1).
∴ Given statement is true.

Q.2. The line x + 3y = 0 is a diameter of the circle x2 + y2 – 6x + 2y = 0. (1989 - 1 Mark)

Ans. T

Sol. The centre of the circle x2 + y2 – 6x + 2y = 0 is (3, – 1)
which lies on the line x + 3y = 0
∴ The statement is true.

The document True/False: Circle | JEE Advanced Notes | Study Maths 35 Years JEE Main & Advanced Past year Papers - JEE is a part of the JEE Course Maths 35 Years JEE Main & Advanced Past year Papers.
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## Maths 35 Years JEE Main & Advanced Past year Papers

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## Maths 35 Years JEE Main & Advanced Past year Papers

132 docs|70 tests

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