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Mathematics 8 Online
OpenStudy (anonymous):

Find the equation of the lines through (4,-2) and at perpendicular distance of 2 units from the origin.

OpenStudy (anonymous):

nope it does not pass through (4,-2)

OpenStudy (anonymous):

yes it is

OpenStudy (anonymous):

Nope

OpenStudy (anonymous):

|dw:1347797936367:dw|

OpenStudy (anonymous):

There can be more than one

OpenStudy (anonymous):

Oh i got it

OpenStudy (anonymous):

|dw:1347798081553:dw|

OpenStudy (anonymous):

There can be maximum2

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

First find the equation of the circle with center origin and radius 2

OpenStudy (anonymous):

Then find the equation of the tangent to the circle that passes through the point (4,-2)

OpenStudy (anonymous):

Excellent you got it.

OpenStudy (anonymous):

Now, can u

OpenStudy (anonymous):

yap

OpenStudy (anonymous):

GREAT

OpenStudy (anonymous):

use derivative also

OpenStudy (radar):

|dw:1347798278830:dw| Why a specific radius, looks like it could be many many equations. ????

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