First slide

Equation of line in Straight lines

Question

Image of the curve $x^{2} + y^{2} = 1$ in the line x+y=1

Moderate

A

$x^{2} + y^{2} + 2 x + 2 y + 1 = 0$
B

$x^{2} + y^{2} - 2 x + 2 y + 1 = 0$
C

$x^{2} + y^{2} + 2 x - 2 y + 1 = 0$
D

$x^{2} + y^{2} - 2 x - 2 y + 1 = 0$

Solution

Image of (0,0) in lines is (1,1)
$∴$ image circle is ${(x - 1)}^{2} + {(y - 1)}^{2} = 1$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App