a) Find an equation of the line perpendicular to the vector i + j, and in the plane (x − 9) − (y − 23) + (z − 2020) = 0. (b) Find the distance between this line and the point Q(9, 23, 2019).

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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(a) Find an equation of the line perpendicular to the vector i + j, and in the plane (x − 9) − (y − 23) + (z − 2020) = 0. (b) Find the distance between this line and the point Q(9, 23, 2019).

1. (a) Find an equation of the line perpendicular to the vector i+j, and in the plane (x – 9) – (y –
23) + (z – 2020) = 0.
(b) Find the distance between this line and the point Q(9, 23, 2019).
Transcribed Image Text:1. (a) Find an equation of the line perpendicular to the vector i+j, and in the plane (x – 9) – (y – 23) + (z – 2020) = 0. (b) Find the distance between this line and the point Q(9, 23, 2019).
Expert Solution
Step 1

Concept:

The two expressions connected by an equal to is called an equation. The expression on the two sides of equal to be left-hand side and right-side. The algebraic equation is the most common type of equation in which two sides are algebraic expression

Step 2

Given:

(x − 9) − (y − 23) + (z − 2020) = 0

Step 3

a)

The objective is to find the equation of the line perpendicular to vector V=i+j and in the plane (x − 9) − (y − 23) + (z − 2020) = 0

On considering the given equation,

(x − 9) − (y − 23) + (z − 2020) = 0 ------(1)

Vector perpendicular to a plane

ax-x0+by-y0+cz-z0=0 is U=ai^+bj^+ck^

From equation (1)

a=1, b=1,c=1 and u=i^-j^+k^

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