Thursday

October 23, 2014

October 23, 2014

Posted by **sophie** on Thursday, May 12, 2011 at 9:25pm.

a) Find the equation for the line perpendicular to the plane that intersects the plane at the point P=(6,5,1).

b) How far is it from the point (4,-2,3) to the plane?

- math -
**Mgraph**, Thursday, May 12, 2011 at 10:07pma)(x-6)/2=(y-5)/(-3)=(z-1)/7

b)The normal equation of the plane

(2/sqrt(62))x-(3/sqrt(62))y+(7/sqrt(62))z-

-4/sqrt(62)=0 62=2^2+(-3)^2+7^2

The distance=(2*4-3*(-2)+7*3-4)/sqrt(62)=

sqrt(31/2)

- math -
**sophie**, Thursday, May 12, 2011 at 10:26pmwhy do you have = signs in part a?

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