Analytical Geometry of Two and Three Dimensions-Equation of a Line in Various Forms (NDA (National Defence Academy) Mathematics): Questions 1 - 3 of 3

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Question number: 1

» Analytical Geometry of Two and Three Dimensions » Equation of a Line in Various Forms

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Appeared in Year: 2012

MCQ▾

Question

What is the sum of the squares of direction cosines of the line joining the points ?

Choices

Choice (4) Response

a.

1

b.

c.

3

d.

0

Question number: 2

» Analytical Geometry of Two and Three Dimensions » Equation of a Line in Various Forms

Edit
MCQ▾

Question

What is the sum of the squares of direction cosines of the line joining the points ?

Choices

Choice (4) Response

a.

b.

1

c.

0

d.

Question number: 3

» Analytical Geometry of Two and Three Dimensions » Equation of a Line in Various Forms

Edit
MCQ▾

Question

What is the sum of the squares of direction cosines of the line joining the points ?

Choices

Choice (4) Response

a.

b.

1

c.

0

d.

2

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