The equation of the circle touching $x = 0,y = 0$ and $x = 4$ is

${x^2} + {y^2} - 4x - 4y + 16 = 0$

${x^2} + {y^2} - 8x - 8y + 16 = 0$

JEE MATHEMATICS MCQ: CIRCLES

1 Easy

1 of 1

Application +4 | -1

The equation of the circle touching

x = 0,y = 0

and

x = 4

View answer and explanation

Correct option: D

{x^2} + {y^2} - 4x - 4y + 4 = 0

Option D (

{x^2} + {y^2} - 4x - 4y + 4 = 0

) is correct because it represents a circle touching x = 0, y = 0, and x = 4, which means its center is at (2, 2) and its radius is 2.

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{\left( {{\alpha ^2}{x^2} - 2\alpha \mathrm{ }x + 1} \right)^{51}},

x

\left( {\alpha ,2{\alpha ^2}} \right)

{x^2} + {y^2} = 4,

{x^2} + {y^2} - 2x + 4y - 4 = 0

{x^2} + {y^2} = {a^2}

\left( {{x_1},{y_1}} \right)

\quad \alpha, \beta

\gamma

P, Q

x^2+y^2=1

A

(-1,0)

A P, A Q

A R

G P

\cos \alpha / 2, \cos \beta / 2

\cos \gamma / 2

x+y=6

x+2 y=4

x+y=5

x-y=1

9 \pi