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Standard XII

Mathematics

Equation of a Plane Passing through a Point and Parallel to the Two Given Vectors

Two lines who...

Question

Two lines whose direction ratios are a1, b1, c1 and a2, b2, c2 are parallel, if

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Solution

The correct option is A

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Similar questions

Two lines whose direction ratios are a₁, b₁, c₁ and a₂, b₂, c₂ are perpendicular, if

Q. Assertion :Line joining the points

(1, 2, 3)

(2, 3, 5)

is parallel to the line joining the points

(- 1, 2, - 3)

(1, 4, 1)

Reason: Two lines whose DR's are

(a_{1}, b_{1}, c_{1})

(a_{2}, b_{2}, c_{2})

are parallel if

\frac{a_{1}}{a_{2}} = \frac{b_{1}}{b_{2}} = \frac{c_{1}}{c_{2}}

Parallel lines are obtained for the pair of equations $a_{1} x + b_{1} y + c_{1} = 0$ and $a_{2} x + b_{2} y + c_{2} = 0$ if

What can you tell about the ratio of coefficients of the lines $a_{1}$ x + $b_{1}$ y + $c_{1}$ = 0 and $a_{2}$ x + $b_{2}$ y + $c_{2}$ = 0 from the graph ?

What can you say about the ratio of the coefficients for the lines $a_{1} x + b_{1} y + c_{1} = 0$ and $a_{2} x + b_{2} y + c_{2} = 0$ from the graph ?

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